It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password.
(CVE-2011-1585)

It was discovered that the GRE protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ip_gre module was loading, and crash the system, leading to a denial of service. (CVE-2011-1767)

It was discovered that the IP/IP protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ipip module was loading, and crash the system, leading to a denial of service. (CVE-2011-1768)

Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly handled unlock requests. A local attacker could exploit this to cause a denial of service. (CVE-2011-2491)

Robert Swiecki discovered that mapping extensions were incorrectly handled. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2496)

Ben Pfaff discovered that Classless Queuing Disciplines (qdiscs) were being incorrectly handled. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2525)

Yasuaki Ishimatsu discovered a flaw in the kernel's clock implementation. A local unprivileged attacker could exploit this causing a denial of service. (CVE-2011-3209).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password.
(CVE-2011-1585)

Andrea Righi discovered a race condition in the KSM memory merging support. If KSM was being used, a local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2183)

Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly handled unlock requests. A local attacker could exploit this to cause a denial of service. (CVE-2011-2491)

Robert Swiecki discovered that mapping extensions were incorrectly handled. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2496)

It was discovered that the wireless stack incorrectly verified SSID lengths. A local attacker could exploit this to cause a denial of service or gain root privileges. (CVE-2011-2517).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The openSUSE 11.3 kernel was updated to 2.6.34.10 to fix various bugs and security issues.

Following security issues have been fixed: CVE-2011-2495: The /proc/PID/io interface could be used by local attackers to gain information on other processes like number of password characters typed or similar.

CVE-2011-2484: The add_del_listener function in kernel/taskstats.c in the Linux kernel did not prevent multiple registrations of exit handlers, which allowed local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application.

CVE-2011-2491: A local unprivileged user able to access a NFS filesystem could use file locking to deadlock parts of an nfs server under some circumstance.

CVE-2011-2496: The normal mmap paths all avoid creating a mapping where the pgoff inside the mapping could wrap around due to overflow.
However, an expanding mremap() can take such a non-wrapping mapping and make it bigger and cause a wrapping condition.

CVE-2011-1017,CVE-2011-2182: The code for evaluating LDM partitions (in fs/partitions/ldm.c) contained bugs that could crash the kernel for certain corrupted LDM partitions.

CVE-2011-1479: A regression in inotify fix for a memory leak could lead to a double free corruption which could crash the system.

CVE-2011-1593: Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel allowed local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.

CVE-2011-1020: The proc filesystem implementation in the Linux kernel did not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allowed local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.

CVE-2011-1585: When using a setuid root mount.cifs, local users could hijack password protected mounted CIFS shares of other local users.

CVE-2011-1160: Kernel information via the TPM devices could by used by local attackers to read kernel memory.

CVE-2011-1577: The Linux kernel automatically evaluated partition tables of storage devices. The code for evaluating EFI GUID partitions (in fs/partitions/efi.c) contained a bug that causes a kernel oops on certain corrupted GUID partition tables, which might be used by local attackers to crash the kernel or potentially execute code.

CVE-2011-1180: In the IrDA module, length fields provided by a peer for names and attributes may be longer than the destination array sizes and were not checked, this allowed local attackers (close to the irda port) to potentially corrupt memory.

CVE-2011-1016: The Radeon GPU drivers in the Linux kernel did not properly validate data related to the AA resolve registers, which allowed local users to write to arbitrary memory locations associated with (1) Video RAM (aka VRAM) or (2) the Graphics Translation Table (GTT) via crafted values.

CVE-2011-1013: A signedness issue in the drm ioctl handling could be used by local attackers to potentially overflow kernel buffers and execute code.

This kernel update for the SUSE Linux Enterprise 10 SP3 kernel fixes several security issues and bugs.

The following security issues were fixed :

  - Multiple integer overflows in the next_pidmap function     in kernel/pid.c in the Linux kernel allowed local users     to cause a denial of service (system crash) via a     crafted (1) getdents or (2) readdir system call.
    (CVE-2011-1593)

  - Only half of the fix for this vulnerability was only     applied, the fix was completed now. Original text:
    drivers/net/e1000/e1000_main.c in the e1000 driver in     the Linux kernel handled Ethernet frames that exceed the     MTU by processing certain trailing payload data as if it     were a complete frame, which allows remote attackers to     bypass packet filters via a large packet with a crafted     payload. (CVE-2009-4536)

  - Boundschecking was missing in AARESOLVE_OFFSET in the     SCTP protocol, which allowed local attackers to     overwrite kernel memory and so escalate privileges or     crash the kernel. (CVE-2011-1573)

  - Heap-based buffer overflow in the ldm_frag_add function     in fs/partitions/ldm.c in the Linux kernel might have     allowed local users to gain privileges or obtain     sensitive information via a crafted LDM partition table.
    (CVE-2011-1017)

  - When using a setuid root mount.cifs, local users could     hijack password protected mounted CIFS shares of other     local users. (CVE-2011-1585)

  - Kernel information via the TPM devices could by used by     local attackers to read kernel memory. (CVE-2011-1160)

  - The Linux kernel automatically evaluated partition     tables of storage devices. The code for evaluating EFI     GUID partitions (in fs/partitions/efi.c) contained a bug     that causes a kernel oops on certain corrupted GUID     partition tables, which might be used by local attackers     to crash the kernel or potentially execute code.
    (CVE-2011-1577)

  - In the IrDA module, length fields provided by a peer for     names and attributes may be longer than the destination     array sizes and were not checked, this allowed local     attackers (close to the irda port) to potentially     corrupt memory. (CVE-2011-1180)

  - A system out of memory condition (denial of service)     could be triggered with a large socket backlog,     exploitable by local users. This has been addressed by     backlog limiting. (CVE-2010-4251)

  - The Radeon GPU drivers in the Linux kernel did not     properly validate data related to the AA resolve     registers, which allowed local users to write to     arbitrary memory locations associated with (1) Video RAM     (aka VRAM) or (2) the Graphics Translation Table (GTT)     via crafted values. (CVE-2011-1016)

  - When parsing the FAC_NATIONAL_DIGIS facilities field, it     was possible for a remote host to provide more     digipeaters than expected, resulting in heap corruption.
    (CVE-2011-1493)

  - Local attackers could send signals to their programs     that looked like coming from the kernel, potentially     gaining privileges in the context of setuid programs.
    (CVE-2011-1182)

  - The code for evaluating LDM partitions (in     fs/partitions/ldm.c) contained bugs that could crash the     kernel for certain corrupted LDM partitions.
    (CVE-2011-1017 / CVE-2011-1012)

  - The code for evaluating Mac partitions (in     fs/partitions/mac.c) contained a bug that could crash     the kernel for certain corrupted Mac partitions.
    (CVE-2011-1010)

  - The code for evaluating OSF partitions (in     fs/partitions/osf.c) contained a bug that leaks data     from kernel heap memory to userspace for certain     corrupted OSF partitions. (CVE-2011-1163)

  - Specially crafted requests may be written to     /dev/sequencer resulting in an underflow when     calculating a size for a copy_from_user() operation in     the driver for MIDI interfaces. On x86, this just     returns an error, but it could have caused memory     corruption on other architectures. Other malformed     requests could have resulted in the use of uninitialized     variables. (CVE-2011-1476)

  - Due to a failure to validate user-supplied indexes in     the driver for Yamaha YM3812 and OPL-3 chips, a     specially crafted ioctl request could have been sent to     /dev/sequencer, resulting in reading and writing beyond     the bounds of heap buffers, and potentially allowing     privilege escalation. (CVE-2011-1477)

  - A information leak in the XFS geometry calls could be     used by local attackers to gain access to kernel     information. (CVE-2011-0191)

  - The sctp_rcv_ootb function in the SCTP implementation in     the Linux kernel allowed remote attackers to cause a     denial of service (infinite loop) via (1) an Out Of The     Blue (OOTB) chunk or (2) a chunk of zero length.
    (CVE-2010-0008)

This kernel update for the SUSE Linux Enterprise 10 SP4 kernel fixes several security issues and bugs.

The following security issues were fixed :

  - The dccp_rcv_state_process function in net/dccp/input.c     in the Datagram Congestion Control Protocol (DCCP)     implementation in the Linux kernel did not properly     handle packets for a CLOSED endpoint, which allowed     remote attackers to cause a denial of service (NULL     pointer dereference and OOPS) by sending a DCCP-Close     packet followed by a DCCP-Reset packet. (CVE-2011-1093)

  - The add_del_listener function in kernel/taskstats.c in     the Linux kernel did not prevent multiple registrations     of exit handlers, which allowed local users to cause a     denial of service (memory and CPU consumption), and     bypass the OOM Killer, via a crafted application.
    (CVE-2011-2484)

  - Integer overflow in the agp_generic_insert_memory     function in drivers/char/agp/generic.c in the Linux     kernel allowed local users to gain privileges or cause a     denial of service (system crash) via a crafted     AGPIOC_BIND agp_ioctl ioctl call. (CVE-2011-1745)

  - Multiple integer overflows in the (1)     agp_allocate_memory and (2) agp_create_user_memory     functions in drivers/char/agp/generic.c in the Linux     kernel allowed local users to trigger buffer overflows,     and consequently cause a denial of service (system     crash) or possibly have unspecified other impact, via     vectors related to calls that specify a large number of     memory pages. (CVE-2011-1746)

  - The agp_generic_remove_memory function in     drivers/char/agp/generic.c in the Linux kernel before     2.6.38.5 did not validate a certain start parameter,     which allowed local users to gain privileges or cause a     denial of service (system crash) via a crafted     AGPIOC_UNBIND agp_ioctl ioctl call, a different     vulnerability than CVE-2011-1745. (CVE-2011-2022)

  - When using a setuid root mount.cifs, local users could     hijack password protected mounted CIFS shares of other     local users. (CVE-2011-1585)

  - The do_task_stat function in fs/proc/array.c in the     Linux kernel did not perform an expected uid check,     which made it easier for local users to defeat the ASLR     protection mechanism by reading the start_code and     end_code fields in the /proc/#####/stat file for a     process executing a PIE binary. (CVE-2011-0726)

  - The normal mmap paths all avoid creating a mapping where     the pgoff inside the mapping could wrap around due to     overflow. However, an expanding mremap() can take such a     non-wrapping mapping and make it bigger and cause a     wrapping condition. (CVE-2011-2496)

  - A local unprivileged user able to access a NFS     filesystem could use file locking to deadlock parts of     an nfs server under some circumstance. (CVE-2011-2491)

  - The code for evaluating LDM partitions (in     fs/partitions/ldm.c) contained bugs that could crash the     kernel for certain corrupted LDM partitions.
    (CVE-2011-1017 / CVE-2011-2182)

  - Multiple integer overflows in the next_pidmap function     in kernel/pid.c in the Linux kernel allowed local users     to cause a denial of service (system crash) via a     crafted (1) getdents or (2) readdir system call.
    (CVE-2011-1593)

  - Integer overflow in the _ctl_do_mpt_command function in     drivers/scsi/mpt2sas/mpt2sas_ctl.c in the Linux kernel     might have allowed local users to gain privileges or     cause a denial of service (memory corruption) via an     ioctl call specifying a crafted value that triggers a     heap-based buffer overflow. (CVE-2011-1494)

  - drivers/scsi/mpt2sas/mpt2sas_ctl.c in the Linux kernel     did not validate (1) length and (2) offset values before     performing memory copy operations, which might have     allowed local users to gain privileges, cause a denial     of service (memory corruption), or obtain sensitive     information from kernel memory via a crafted ioctl call,     related to the _ctl_do_mpt_command and
    _ctl_diag_read_buffer functions. (CVE-2011-1495)

This kernel update for the SUSE Linux Enterprise 10 SP3 kernel fixes several security issues and bugs.

The following security issues have been fixed :

  - A signedness issue in CIFS could possibly have lead to     to memory corruption, if a malicious server could send     crafted replies to the host. (CVE-2011-3191)

  - Timo Warns reported an issue in the Linux implementation     for GUID partitions. Users with physical access could     gain access to sensitive kernel memory by adding a     storage device with a specially crafted corrupted     invalid partition table. (CVE-2011-1776)

  - The dccp_rcv_state_process function in net/dccp/input.c     in the Datagram Congestion Control Protocol (DCCP)     implementation in the Linux kernel did not properly     handle packets for a CLOSED endpoint, which allowed     remote attackers to cause a denial of service (NULL     pointer dereference and OOPS) by sending a DCCP-Close     packet followed by a DCCP-Reset packet. (CVE-2011-1093)

  - Integer overflow in the agp_generic_insert_memory     function in drivers/char/agp/generic.c in the Linux     kernel allowed local users to gain privileges or cause a     denial of service (system crash) via a crafted     AGPIOC_BIND agp_ioctl ioctl call. (CVE-2011-1745)

  - Multiple integer overflows in the (1)     agp_allocate_memory and (2) agp_create_user_memory     functions in drivers/char/agp/generic.c in the Linux     kernel allowed local users to trigger buffer overflows,     and consequently cause a denial of service (system     crash) or possibly have unspecified other impact, via     vectors related to calls that specify a large number of     memory pages. (CVE-2011-1746)

  - The agp_generic_remove_memory function in     drivers/char/agp/generic.c in the Linux kernel before     2.6.38.5 did not validate a certain start parameter,     which allowed local users to gain privileges or cause a     denial of service (system crash) via a crafted     AGPIOC_UNBIND agp_ioctl ioctl call, a different     vulnerability than CVE-2011-1745. (CVE-2011-2022)

  - The do_task_stat function in fs/proc/array.c in the     Linux kernel did not perform an expected uid check,     which made it easier for local users to defeat the ASLR     protection mechanism by reading the start_code and     end_code fields in the /proc/#####/stat file for a     process executing a PIE binary. (CVE-2011-0726)

  - The normal mmap paths all avoid creating a mapping where     the pgoff inside the mapping could wrap around due to     overflow. However, an expanding mremap() can take such a     non-wrapping mapping and make it bigger and cause a     wrapping condition. (CVE-2011-2496)

  - A local unprivileged user able to access a NFS     filesystem could use file locking to deadlock parts of     an nfs server under some circumstance. (CVE-2011-2491)

  - The code for evaluating LDM partitions (in     fs/partitions/ldm.c) contained bugs that could crash the     kernel for certain corrupted LDM partitions.
    (CVE-2011-1017 / CVE-2011-2182)

  - When using a setuid root mount.cifs, local users could     hijack password protected mounted CIFS shares of other     local users. (CVE-2011-1585)

Also following non-security bugs were fixed :

  -     patches.suse/fs-proc-vmcorec-add-hook-to-read_from_oldme     m-to-check-for-non-ram-pages.patch: fs/proc/vmcore.c:
    add hook to read_from_oldmem() to check for non-ram     pages. (bnc#684297)

  - patches.xen/1062-xenbus-dev-leak.patch: xenbus: Fix     memory leak on release.

  - patches.xen/1074-xenbus_conn-type.patch: xenbus: fix     type inconsistency with xenbus_conn().

  - patches.xen/1080-blkfront-xenbus-gather-format.patch:
    blkfront: fix data size for xenbus_gather in connect().

  - patches.xen/1081-blkback-resize-transaction-end.patch:
    xenbus: fix xenbus_transaction_start() hang caused by     double xenbus_transaction_end().

  - patches.xen/1089-blkback-barrier-check.patch: blkback:
    dont fail empty barrier requests.

  - patches.xen/1091-xenbus-dev-no-BUG.patch: xenbus: dont     BUG() on user mode induced conditions. (bnc#696107)

  - patches.xen/1098-blkfront-cdrom-ioctl-check.patch:
    blkfront: avoid NULL de-reference in CDROM ioctl     handling. (bnc#701355)

  - patches.xen/1102-x86-max-contig-order.patch: x86: use     dynamically adjusted upper bound for contiguous regions.
    (bnc#635880)

  -     patches.xen/xen3-x86-sanitize-user-specified-e820-memmap
    -values.patch: x86: sanitize user specified e820 memmap     values. (bnc#665543)

  -     patches.fixes/libiscsi-dont-run-scsi-eh-if-iscsi-task-is
    -making-progress: Fix typo, which was uncovered in debug     mode.

  - patches.fixes/pacct-fix-sighand-siglock-usage.patch: Fix     sighand->siglock usage in kernel/acct.c. (bnc#705463)

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. (CVE-2010-4076, CVE-2010-4077)

Alex Shi and Eric Dumazet discovered that the network stack did not correctly handle packet backlogs. A remote attacker could exploit this by sending a large amount of network traffic to cause the system to run out of memory, leading to a denial of service. (CVE-2010-4251, CVE-2010-4805)

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. (CVE-2011-1020)

Dan Rosenberg discovered that the X.25 Rose network stack did not correctly handle certain fields. If a system was running with Rose enabled, a remote attacker could send specially crafted traffic to gain root privileges. (CVE-2011-1493)

Timo Warns discovered that the GUID partition parsing routines did not correctly validate certain structures. A local attacker with physical access could plug in a specially crafted block device to crash the system, leading to a denial of service. (CVE-2011-1577)

It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password.
(CVE-2011-1585)

It was discovered that the GRE protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ip_gre module was loading, and crash the system, leading to a denial of service. (CVE-2011-1767)

It was discovered that the IP/IP protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ipip module was loading, and crash the system, leading to a denial of service. (CVE-2011-1768)

Ben Hutchings reported a flaw in the kernel's handling of corrupt LDM partitions. A local user could exploit this to cause a denial of service or escalate privileges. (CVE-2011-2182)

Andrea Righi discovered a race condition in the KSM memory merging support. If KSM was being used, a local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2183)

Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service.
(CVE-2011-2213)

Vasiliy Kulikov discovered that taskstats listeners were not correctly handled. A local attacker could expoit this to exhaust memory and CPU resources, leading to a denial of service. (CVE-2011-2484)

It was discovered that Bluetooth l2cap and rfcomm did not correctly initialize structures. A local attacker could exploit this to read portions of the kernel stack, leading to a loss of privacy.
(CVE-2011-2492)

Mauro Carvalho Chehab discovered that the si4713 radio driver did not correctly check the length of memory copies. If this hardware was available, a local attacker could exploit this to crash the system or gain root privileges. (CVE-2011-2700)

Herbert Xu discovered that certain fields were incorrectly handled when Generic Receive Offload (CVE-2011-2723)

Vasiliy Kulikov discovered that the Comedi driver did not correctly clear memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2011-2909)

The performance counter subsystem did not correctly handle certain counters. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2918)

A flaw was found in the Linux kernel's /proc/*/*map* interface. A local, unprivileged user could exploit this flaw to cause a denial of service. (CVE-2011-3637)

Ben Hutchings discovered several flaws in the Linux Rose (X.25 PLP) layer. A local user or a remote user on an X.25 network could exploit these flaws to execute arbitrary code as root. (CVE-2011-4914).

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. (CVE-2010-4076, CVE-2010-4077)

Alex Shi and Eric Dumazet discovered that the network stack did not correctly handle packet backlogs. A remote attacker could exploit this by sending a large amount of network traffic to cause the system to run out of memory, leading to a denial of service. (CVE-2010-4251, CVE-2010-4805)

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. (CVE-2011-1020)

Dan Rosenberg discovered that the X.25 Rose network stack did not correctly handle certain fields. If a system was running with Rose enabled, a remote attacker could send specially crafted traffic to gain root privileges. (CVE-2011-1493)

Timo Warns discovered that the GUID partition parsing routines did not correctly validate certain structures. A local attacker with physical access could plug in a specially crafted block device to crash the system, leading to a denial of service. (CVE-2011-1577)

It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password.
(CVE-2011-1585)

It was discovered that the GRE protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ip_gre module was loading, and crash the system, leading to a denial of service. (CVE-2011-1767)

It was discovered that the IP/IP protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ipip module was loading, and crash the system, leading to a denial of service. (CVE-2011-1768)

Ben Hutchings reported a flaw in the kernel's handling of corrupt LDM partitions. A local user could exploit this to cause a denial of service or escalate privileges. (CVE-2011-2182)

Andrea Righi discovered a race condition in the KSM memory merging support. If KSM was being used, a local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2183)

Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service.
(CVE-2011-2213)

Vasiliy Kulikov discovered that taskstats listeners were not correctly handled. A local attacker could exploit this to exhaust memory and CPU resources, leading to a denial of service. (CVE-2011-2484)

It was discovered that Bluetooth l2cap and rfcomm did not correctly initialize structures. A local attacker could exploit this to read portions of the kernel stack, leading to a loss of privacy.
(CVE-2011-2492)

Mauro Carvalho Chehab discovered that the si4713 radio driver did not correctly check the length of memory copies. If this hardware was available, a local attacker could exploit this to crash the system or gain root privileges. (CVE-2011-2700)

Herbert Xu discovered that certain fields were incorrectly handled when Generic Receive Offload (CVE-2011-2723)

Vasiliy Kulikov discovered that the Comedi driver did not correctly clear memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2011-2909)

The performance counter subsystem did not correctly handle certain counters. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2011-2918)

A flaw was found in the Linux kernel's /proc/*/*map* interface. A local, unprivileged user could exploit this flaw to cause a denial of service. (CVE-2011-3637)

Ben Hutchings discovered several flaws in the Linux Rose (X.25 PLP) layer. A local user or a remote user on an X.25 network could exploit these flaws to execute arbitrary code as root. (CVE-2011-4914).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This kernel update for the SUSE Linux Enterprise 10 SP4 kernel fixes several security issues and bugs.

The following security issues were fixed :

  - The code for evaluating LDM partitions (in     fs/partitions/ldm.c) contained bugs that could crash the     kernel for certain corrupted LDM partitions.
    (CVE-2011-1017 / CVE-2011-1012)

  - Boundschecking was missing in AARESOLVE_OFFSET, which     allowed local attackers to overwrite kernel memory and     so escalate privileges or crash the kernel.
    (CVE-2011-1573)

  - When using a setuid root mount.cifs, local users could     hijack password protected mounted CIFS shares of other     local users. (CVE-2011-1585)

  - Kernel information via the TPM devices could by used by     local attackers to read kernel memory. (CVE-2011-1160)

  - The Linux kernel automatically evaluated partition     tables of storage devices. The code for evaluating EFI     GUID partitions (in fs/partitions/efi.c) contained a bug     that causes a kernel oops on certain corrupted GUID     partition tables, which might be used by local attackers     to crash the kernel or potentially execute code.
    (CVE-2011-1577)

  - In the IrDA module, length fields provided by a peer for     names and attributes may be longer than the destination     array sizes and were not checked, this allowed local     attackers (close to the irda port) to potentially     corrupt memory. (CVE-2011-1180)

  - A system out of memory condition (denial of service)     could be triggered with a large socket backlog,     exploitable by local users. This has been addressed by     backlog limiting. (CVE-2010-4251)

  - The Radeon GPU drivers in the Linux kernel did not     properly validate data related to the AA resolve     registers, which allowed local users to write to     arbitrary memory locations associated with (1) Video RAM     (aka VRAM) or (2) the Graphics Translation Table (GTT)     via crafted values. (CVE-2011-1016)

  - When parsing the FAC_NATIONAL_DIGIS facilities field, it     was possible for a remote host to provide more     digipeaters than expected, resulting in heap corruption.
    (CVE-2011-1493)

  - Local attackers could send signals to their programs     that looked like coming from the kernel, potentially     gaining privileges in the context of setuid programs.
    (CVE-2011-1182)

  - The code for evaluating Mac partitions (in     fs/partitions/mac.c) contained a bug that could crash     the kernel for certain corrupted Mac partitions.
    (CVE-2011-1010)

  - The code for evaluating OSF partitions (in     fs/partitions/osf.c) contained a bug that leaks data     from kernel heap memory to userspace for certain     corrupted OSF partitions. (CVE-2011-1163)

  - Specially crafted requests may be written to     /dev/sequencer resulting in an underflow when     calculating a size for a copy_from_user() operation in     the driver for MIDI interfaces. On x86, this just     returns an error, but it could have caused memory     corruption on other architectures. Other malformed     requests could have resulted in the use of uninitialized     variables. (CVE-2011-1476)

  - Due to a failure to validate user-supplied indexes in     the driver for Yamaha YM3812 and OPL-3 chips, a     specially crafted ioctl request could have been sent to     /dev/sequencer, resulting in reading and writing beyond     the bounds of heap buffers, and potentially allowing     privilege escalation. (CVE-2011-1477)

  - A information leak in the XFS geometry calls could be     used by local attackers to gain access to kernel     information. (CVE-2011-0191)

  - The sctp_rcv_ootb function in the SCTP implementation in     the Linux kernel allowed remote attackers to cause a     denial of service (infinite loop) via (1) an Out Of The     Blue (OOTB) chunk or (2) a chunk of zero length.
    (CVE-2010-0008)

It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password.
(CVE-2011-1585)

It was discovered that the GRE protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ip_gre module was loading, and crash the system, leading to a denial of service. (CVE-2011-1767)

It was discovered that the IP/IP protocol incorrectly handled netns initialization. A remote attacker could send a packet while the ipip module was loading, and crash the system, leading to a denial of service. (CVE-2011-1768)

Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly handled unlock requests. A local attacker could exploit this to cause a denial of service. (CVE-2011-2491)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-2037 advisory.

    - [netdrv] be2net: Merge fixes for CVE-2011-3347 (Joe Jin)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated kernel packages that fix multiple security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security fixes :

* The maximum file offset handling for ext4 file systems could allow a local, unprivileged user to cause a denial of service. (CVE-2011-2695, Important)

* IPv6 fragment identification value generation could allow a remote attacker to disrupt a target system's networking, preventing legitimate users from accessing its services. (CVE-2011-2699, Important)

* A malicious CIFS (Common Internet File System) server could send a specially crafted response to a directory read request that would result in a denial of service or privilege escalation on a system that has a CIFS share mounted. (CVE-2011-3191, Important)

* A local attacker could use mount.ecryptfs_private to mount (and then access) a directory they would otherwise not have access to. Note: To correct this issue, the RHSA-2011:1241 ecryptfs-utils update must also be installed. (CVE-2011-1833, Moderate)

* A flaw in the taskstats subsystem could allow a local, unprivileged user to cause excessive CPU time and memory use. (CVE-2011-2484, Moderate)

* Mapping expansion handling could allow a local, unprivileged user to cause a denial of service. (CVE-2011-2496, Moderate)

* GRO (Generic Receive Offload) fields could be left in an inconsistent state. An attacker on the local network could use this flaw to cause a denial of service. GRO is enabled by default in all network drivers that support it. (CVE-2011-2723, Moderate)

* RHSA-2011:1065 introduced a regression in the Ethernet bridge implementation. If a system had an interface in a bridge, and an attacker on the local network could send packets to that interface, they could cause a denial of service on that system. Xen hypervisor and KVM (Kernel-based Virtual Machine) hosts often deploy bridge interfaces. (CVE-2011-2942, Moderate)

* A flaw in the Xen hypervisor IOMMU error handling implementation could allow a privileged guest user, within a guest operating system that has direct control of a PCI device, to cause performance degradation on the host and possibly cause it to hang. (CVE-2011-3131, Moderate)

* IPv4 and IPv6 protocol sequence number and fragment ID generation could allow a man-in-the-middle attacker to inject packets and possibly hijack connections. Protocol sequence number and fragment IDs are now more random. (CVE-2011-3188, Moderate)

* A flaw in the kernel's clock implementation could allow a local, unprivileged user to cause a denial of service. (CVE-2011-3209, Moderate)

* Non-member VLAN (virtual LAN) packet handling for interfaces in promiscuous mode and also using the be2net driver could allow an attacker on the local network to cause a denial of service.
(CVE-2011-3347, Moderate)

* A flaw in the auerswald USB driver could allow a local, unprivileged user to cause a denial of service or escalate their privileges by inserting a specially crafted USB device. (CVE-2009-4067, Low)

* A flaw in the Trusted Platform Module (TPM) implementation could allow a local, unprivileged user to leak information to user space.
(CVE-2011-1160, Low)

* A local, unprivileged user could possibly mount a CIFS share that requires authentication without knowing the correct password if the mount was already mounted by another local user. (CVE-2011-1585, Low)

Red Hat would like to thank Fernando Gont for reporting CVE-2011-2699;
Darren Lavender for reporting CVE-2011-3191; the Ubuntu Security Team for reporting CVE-2011-1833; Vasiliy Kulikov of Openwall for reporting CVE-2011-2484; Robert Swiecki for reporting CVE-2011-2496; Brent Meshier for reporting CVE-2011-2723; Dan Kaminsky for reporting CVE-2011-3188; Yasuaki Ishimatsu for reporting CVE-2011-3209; Somnath Kotur for reporting CVE-2011-3347; Rafael Dominguez Vega for reporting CVE-2009-4067; and Peter Huewe for reporting CVE-2011-1160. The Ubuntu Security Team acknowledges Vasiliy Kulikov of Openwall and Dan Rosenberg as the original reporters of CVE-2011-1833.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security fixes :

  - The maximum file offset handling for ext4 file systems     could allow a local, unprivileged user to cause a denial     of service. (CVE-2011-2695, Important)

  - IPv6 fragment identification value generation could     allow a remote attacker to disrupt a target system's     networking, preventing legitimate users from accessing     its services. (CVE-2011-2699, Important)

  - A malicious CIFS (Common Internet File System) server     could send a specially crafted response to a directory     read request that would result in a denial of service or     privilege escalation on a system that has a CIFS share     mounted. (CVE-2011-3191, Important)

  - A local attacker could use mount.ecryptfs_private to     mount (and then access) a directory they would otherwise     not have access to. Note: To correct this issue, a     ecryptfs-utils update must also be installed.
    (CVE-2011-1833, Moderate)

  - A flaw in the taskstats subsystem could allow a local,     unprivileged user to cause excessive CPU time and memory     use. (CVE-2011-2484, Moderate)

  - Mapping expansion handling could allow a local,     unprivileged user to cause a denial of service.
    (CVE-2011-2496, Moderate)

  - GRO (Generic Receive Offload) fields could be left in an     inconsistent state. An attacker on the local network     could use this flaw to cause a denial of service. GRO is     enabled by default in all network drivers that support     it. (CVE-2011-2723, Moderate)

  - A previous update introduced a regression in the     Ethernet bridge implementation. If a system had an     interface in a bridge, and an attacker on the local     network could send packets to that interface, they could     cause a denial of service on that system. Xen hypervisor     and KVM (Kernel-based Virtual Machine) hosts often     deploy bridge interfaces. (CVE-2011-2942, Moderate)

  - A flaw in the Xen hypervisor IOMMU error handling     implementation could allow a privileged guest user,     within a guest operating system that has direct control     of a PCI device, to cause performance degradation on the     host and possibly cause it to hang. (CVE-2011-3131,     Moderate)

  - IPv4 and IPv6 protocol sequence number and fragment ID     generation could allow a man-in-the-middle attacker to     inject packets and possibly hijack connections. Protocol     sequence number and fragment IDs are now more random.
    (CVE-2011-3188, Moderate)

  - A flaw in the kernel's clock implementation could allow     a local, unprivileged user to cause a denial of service.
    (CVE-2011-3209, Moderate)

  - Non-member VLAN (virtual LAN) packet handling for     interfaces in promiscuous mode and also using the be2net     driver could allow an attacker on the local network to     cause a denial of service. (CVE-2011-3347, Moderate)

  - A flaw in the auerswald USB driver could allow a local,     unprivileged user to cause a denial of service or     escalate their privileges by inserting a specially     crafted USB device. (CVE-2009-4067, Low)

  - A flaw in the Trusted Platform Module (TPM)     implementation could allow a local, unprivileged user to     leak information to user space. (CVE-2011-1160, Low)

  - A local, unprivileged user could possibly mount a CIFS     share that requires authentication without knowing the     correct password if the mount was already mounted by     another local user. (CVE-2011-1585, Low)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-1386 advisory.

    - Revert: [xen] passthrough: block VT-d MSI trap injection (Paolo Bonzini) [716301 716302] {CVE-2011-1898}
    - [net] bridge: fix use after free in __br_deliver (Amerigo Wang) [730949 703045] {CVE-2011-2942}
    - [misc] remove div_long_long_rem (Prarit Bhargava) [732879 732614] {CVE-2011-3209}
    - [net] be2net: fix crash receiving non-member VLAN packets (Ivan Vecera) [736430 730239] {CVE-2011-3347}
    - [net] be2net: Use NTWK_RX_FILTER command for promiscous mode (Ivan Vecera) [736430 730239]     {CVE-2011-3347}
    - [net] be2net: non-member vlan pkts not received in promisc mode (Ivan Vecera) [736430 730239]     {CVE-2011-3347}
    - [net] be2net: remove bogus unlikely on vlan check (Ivan Vecera) [736430 730239] {CVE-2011-3347}
    - [net] Compute protocol seq numbers and fragment IDs using MD5 (Jiri Pirko) [732662 732663]     {CVE-2011-3188}
    - [crypto] Move md5_transform to lib/md5.c (Jiri Pirko) [732662 732663] {CVE-2011-3188}
    - [mm] avoid wrapping vm_pgoff in mremap and stack expansion (Jerome Marchand) [716543 716544]     {CVE-2011-2496}
    - [fs] ecryptfs: Add mount option to check uid of mounting device (Eric Sandeen) [731173 731174]     {CVE-2011-1833}
    - [net] ipv6: make fragment identifications less predictable (Jiri Pirko) [723430 723431] {CVE-2011-2699}
    - [net] ipv6: Remove unused skb argument of ipv6_select_ident (Jiri Pirko) [723430 723431] {CVE-2011-2699}
    - [misc] taskstats: don't allow duplicate entries in listener mode (Jerome Marchand) [715449 715450]     {CVE-2011-2484}
    - [net] gro: Only reset frag0 when skb can be pulled (Herbert Xu) [726553 679682] {CVE-2011-2723}
    - [xen] passthrough: block VT-d MSI trap injection (Paolo Bonzini) [716301 716302] {CVE-2011-1898}
    - [xen] iommu: disable bus-mastering on hw that causes IOMMU fault (Laszlo Ersek) [730342 730343]     {CVE-2011-3131}
    - [usb] auerswald: fix buffer overflow (Don Zickus) [722395 722396] {CVE-2009-4067}
    - [fs] cifs: fix possible memory corruption in CIFSFindNext (Jeff Layton) [732870 736654 732869 732471]     {CVE-2011-3191}
    - [fs] cifs: revert special handling for matching krb5 sessions (Jeff Layton) [697395 697396]     {CVE-2011-1585}
    - [fs] cifs: check for NULL session password (Jeff Layton) [697395 697396] {CVE-2011-1585}
    - [fs] cifs: fix NULL pointer dereference in cifs_find_smb_ses (Jeff Layton) [697395 697396]     {CVE-2011-1585}
    - [fs] cifs: clean up cifs_find_smb_ses (Jeff Layton) [697395 697396] {CVE-2011-1585}
    - [char] tpm: Fix uninitialized usage of data buffer (Stanislaw Gruszka) [684672 684673] {CVE-2011-1160}
    - [fs] ext4: Fix max size and logical block counting of extent file (Lukas Czerner) [722562 722563]     {CVE-2011-2695}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
56911	Ubuntu 8.04 LTS : linux vulnerabilities (USN-1268-1)	Nessus	Ubuntu Local Security Checks	2011/11/22	2019/9/19	high
56946	Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1278-1)	Nessus	Ubuntu Local Security Checks	2011/11/26	2019/9/19	high
75555	openSUSE Security Update : kernel (openSUSE-SU-2011:0861-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	high
55468	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7568)	Nessus	SuSE Local Security Checks	2011/6/30	2021/1/19	high
59158	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7665)	Nessus	SuSE Local Security Checks	2012/5/17	2021/1/19	high
59159	SuSE 10 Security Update : the Linux kernel (ZYPP Patch Number 7729)	Nessus	SuSE Local Security Checks	2012/5/17	2021/1/19	critical
56607	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7734)	Nessus	SuSE Local Security Checks	2011/10/24	2021/1/19	critical
56191	Ubuntu 10.04 LTS : linux-mvl-dove vulnerabilities (USN-1203-1)	Nessus	Ubuntu Local Security Checks	2011/9/14	2016/5/19	high
56343	Ubuntu 10.04 LTS : linux vulnerabilities (USN-1218-1)	Nessus	Ubuntu Local Security Checks	2011/9/30	2019/9/19	high
57213	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7666)	Nessus	SuSE Local Security Checks	2011/12/13	2021/1/19	high
59156	SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7515)	Nessus	SuSE Local Security Checks	2012/5/17	2021/1/19	high
56913	USN-1271-1 : linux-fsl-imx51 vulnerabilities	Nessus	Ubuntu Local Security Checks	2011/11/22	2016/12/1	medium
68425	Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2011-2037)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2026/2/9	high
56569	CentOS 5 : kernel (CESA-2011:1386)	Nessus	CentOS Local Security Checks	2011/10/21	2021/1/4	critical
61162	Scientific Linux Security Update : kernel on SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	critical
68375	Oracle Linux 5 : kernel (ELSA-2011-1386)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2026/2/9	critical

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