The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002234 advisory.

    The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly     handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging     KVM guest OS privileges.

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

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

A failure to validate input was discovered in the Linux kernel's Xen netback (network backend) driver. A user in a guest OS may exploit this flaw to cause a denial of service to the guest OS and other guest domains. (CVE-2013-0216)

A memory leak was discovered in the Linux kernel's Xen netback (network backend) driver. A user in a guest OS could trigger this flaw to cause a denial of service on the system. (CVE-2013-0217)

Andrew Jones discovered a flaw with the xen_iret function in Linux kernel's Xen virtualizeation. In the 32-bit Xen paravirt platform an unprivileged guest OS user could exploit this flaw to cause a denial of service (crash the system) or gain guest OS privilege.
(CVE-2013-0228)

A flaw was reported in the permission checks done by the Linux kernel for /dev/cpu/*/msr. A local root user with all capabilities dropped could exploit this flaw to execute code with full root capabilities.
(CVE-2013-0268)

A flaw was discovered in the Linux kernel's vhost driver used to accelerate guest networking in KVM based virtual machines. A privileged guest user could exploit this flaw to crash the host system. (CVE-2013-0311)

An information leak was discovered in the Linux kernel's Bluetooth stack when HIDP (Human Interface Device Protocol) support is enabled.
A local unprivileged user could exploit this flaw to cause an information leak from the kernel. (CVE-2013-0349)

A flaw was discovered on the Linux kernel's VFAT filesystem driver when a disk is mounted with the utf8 option (this is the default on Ubuntu). On a system where disks/images can be auto-mounted or a FAT filesystem is mounted an unprivileged user can exploit the flaw to gain root privileges. (CVE-2013-1773).

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.

Andrew Cooper of Citrix reported a Xen stack corruption in the Linux kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest kernel to crash, or operate erroneously. (CVE-2013-0190)

A failure to validate input was discovered in the Linux kernel's Xen netback (network backend) driver. A user in a guest OS may exploit this flaw to cause a denial of service to the guest OS and other guest domains. (CVE-2013-0216)

A memory leak was discovered in the Linux kernel's Xen netback (network backend) driver. A user in a guest OS could trigger this flaw to cause a denial of service on the system. (CVE-2013-0217)

Andrew Jones discovered a flaw with the xen_iret function in Linux kernel's Xen virtualizeation. In the 32-bit Xen paravirt platform an unprivileged guest OS user could exploit this flaw to cause a denial of service (crash the system) or gain guest OS privilege.
(CVE-2013-0228)

A flaw was discovered in the Linux kernel Xen PCI backend driver. If a PCI device is assigned to the guest OS, the guest OS could exploit this flaw to cause a denial of service on the host. (CVE-2013-0231)

A flaw was reported in the permission checks done by the Linux kernel for /dev/cpu/*/msr. A local root user with all capabilities dropped could exploit this flaw to execute code with full root capabilities.
(CVE-2013-0268)

A flaw was discovered in the Linux kernel's vhost driver used to accelerate guest networking in KVM based virtual machines. A privileged guest user could exploit this flaw to crash the host system. (CVE-2013-0311)

A flaw was discovered in the Extended Verification Module (EVM) of the Linux kernel. An unprivileged local user code exploit this flaw to cause a denial of service (system crash). (CVE-2013-0313)

An information leak was discovered in the Linux kernel's Bluetooth stack when HIDP (Human Interface Device Protocol) support is enabled.
A local unprivileged user could exploit this flaw to cause an information leak from the kernel. (CVE-2013-0349)

A flaw was discovered in the Edgeort USB serial converter driver when the device is disconnected while it is in use. A local user could exploit this flaw to cause a denial of service (system crash).
(CVE-2013-1774).

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 remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2013:0496 advisory.

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

    This update fixes the following security issues:

    * A race condition was found in the way asynchronous I/O and fallocate()     interacted when using the ext4 file system. A local, unprivileged user     could use this flaw to expose random data from an extent whose data blocks     have not yet been written, and thus contain data from a deleted file.
    (CVE-2012-4508, Important)

    * A flaw was found in the way the vhost kernel module handled descriptors     that spanned multiple regions. A privileged guest user in a KVM guest could     use this flaw to crash the host or, potentially, escalate their privileges     on the host. (CVE-2013-0311, Important)

    * It was found that the default SCSI command filter does not accommodate     commands that overlap across device classes. A privileged guest user could     potentially use this flaw to write arbitrary data to a LUN that is     passed-through as read-only. (CVE-2012-4542, Moderate)

    * A flaw was found in the way the xen_failsafe_callback() function in the     Linux kernel handled the failed iret (interrupt return) instruction     notification from the Xen hypervisor. An unprivileged user in a 32-bit     para-virtualized guest could use this flaw to crash the guest.
    (CVE-2013-0190, Moderate)

    * A flaw was found in the way pmd_present() interacted with PROT_NONE     memory ranges when transparent hugepages were in use. A local, unprivileged     user could use this flaw to crash the system. (CVE-2013-0309, Moderate)

    * A flaw was found in the way CIPSO (Common IP Security Option) IP options     were validated when set from user mode. A local user able to set CIPSO IP     options on the socket could use this flaw to crash the system.
    (CVE-2013-0310, Moderate)

    Red Hat would like to thank Theodore Ts'o for reporting CVE-2012-4508, and     Andrew Cooper of Citrix for reporting CVE-2013-0190. Upstream acknowledges     Dmitry Monakhov as the original reporter of CVE-2012-4508. The     CVE-2012-4542 issue was discovered by Paolo Bonzini of Red Hat.

    This update also fixes several hundred bugs and adds enhancements. Refer to     the Red Hat Enterprise Linux 6.4 Release Notes for information on the most     significant of these changes, and the Technical Notes for further     information, both linked to in the References.

    All Red Hat Enterprise Linux 6 users are advised to install these updated     packages, which correct these issues, and fix the bugs and add the     enhancements noted in the Red Hat Enterprise Linux 6.4 Release Notes and     Technical Notes. The system must be rebooted for this update to take     effect.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

Andrew Cooper of Citrix reported a Xen stack corruption in the Linux kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest kernel to crash, or operate erroneously. (CVE-2013-0190)

A failure to validate input was discovered in the Linux kernel's Xen netback (network backend) driver. A user in a guest OS may exploit this flaw to cause a denial of service to the guest OS and other guest domains. (CVE-2013-0216)

A memory leak was discovered in the Linux kernel's Xen netback (network backend) driver. A user in a guest OS could trigger this flaw to cause a denial of service on the system. (CVE-2013-0217)

A flaw was discovered in the Linux kernel Xen PCI backend driver. If a PCI device is assigned to the guest OS, the guest OS could exploit this flaw to cause a denial of service on the host. (CVE-2013-0231)

A flaw was reported in the permission checks done by the Linux kernel for /dev/cpu/*/msr. A local root user with all capabilities dropped could exploit this flaw to execute code with full root capabilities.
(CVE-2013-0268)

Tommi Rantala discovered a flaw in the a flaw the Linux kernels handling of datagrams packets when the MSG_PEEK flag is specified. An unprivileged local user could exploit this flaw to cause a denial of service (system hang). (CVE-2013-0290)

A flaw was discovered in the Linux kernel's vhost driver used to accelerate guest networking in KVM based virtual machines. A privileged guest user could exploit this flaw to crash the host system. (CVE-2013-0311)

A flaw was discovered in the Extended Verification Module (EVM) of the Linux kernel. An unprivileged local user code exploit this flaw to cause a denial of service (system crash). (CVE-2013-0313)

An information leak was discovered in the Linux kernel's Bluetooth stack when HIDP (Human Interface Device Protocol) support is enabled.
A local unprivileged user could exploit this flaw to cause an information leak from the kernel. (CVE-2013-0349).

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 remote Redhat Enterprise Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2013:0579 advisory.

    The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization     Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor     is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes     everything necessary to run and manage virtual machines: A subset of the     Red Hat Enterprise Linux operating environment and the Red Hat Enterprise     Virtualization Agent.

    Note: Red Hat Enterprise Virtualization Hypervisor is only available for     the Intel 64 and AMD64 architectures with virtualization extensions.

    A flaw was found in the way the vhost kernel module handled descriptors     that spanned multiple regions. A privileged guest user could use this flaw     to crash the host or, potentially, escalate their privileges on the host.
    (CVE-2013-0311)

    It was found that the default SCSI command filter does not accommodate     commands that overlap across device classes. A privileged guest user could     potentially use this flaw to write arbitrary data to a LUN that is     passed-through as read-only. (CVE-2012-4542)

    It was discovered that dnsmasq, when used in combination with certain     libvirtd configurations, could incorrectly process network packets from     network interfaces that were intended to be prohibited. A remote,     unauthenticated attacker could exploit this flaw to cause a denial of     service via DNS amplification attacks. (CVE-2012-3411)

    The CVE-2012-4542 issue was discovered by Paolo Bonzini of Red Hat.

    This updated package provides updated components that include fixes for     several security issues. These issues had no security impact on Red Hat     Enterprise Virtualization Hypervisor itself, however. The security fixes     included in this update address the following CVE numbers:

    CVE-2012-3955 (dhcp issue)

    CVE-2011-4355 (gdb issue)

    CVE-2012-4508, CVE-2013-0190, CVE-2013-0309, and CVE-2013-0310 (kernel     issues)

    CVE-2012-5536 (openssh issue)

    CVE-2011-3148 and CVE-2011-3149 (pam issues)

    CVE-2013-0157 (util-linux-ng issue)

    This updated Red Hat Enterprise Virtualization Hypervisor package also     fixes the following bugs:

    * Previously, the Administration Portal would always display the option to     upgrade the Red Hat Enterprise Virtualization Hypervisor ISO regardless of     whether or not the selected host was up-to-date. Now, the VDSM version     compatibility is considered and the upgrade message only displays if there     is an upgrade relevant to the host available. (BZ#853092)

    * An out of date version of libvirt was included in the Red Hat Enterprise     Virtualization Hypervisor 6.4 package. As a result, virtual machines with     supported CPU models were not being properly parsed by libvirt and failed     to start. A more recent version of libvirt has been included in this     updated hypervisor package. Virtual machines now start normally.
    (BZ#895078)

    As well, this update adds the following enhancement:

    * Hypervisor packages now take advantage of the installonlypkg function     provided by yum. This allows for multiple versions of the hypervisor     package to be installed on a system concurrently without making changes to     the yum configuration as was previously required. (BZ#863579)

    This update includes the ovirt-node build from RHBA-2013:0556:

        https://rhn.redhat.com/errata/RHBA-2013-0556.html

    Users of the Red Hat Enterprise Virtualization Hypervisor are advised to     upgrade to this updated package, which fixes these issues and adds this     enhancement.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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, address several hundred bugs, and add numerous enhancements are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 6. This is the fourth regular update.

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.

This update fixes the following security issues :

* A race condition was found in the way asynchronous I/O and fallocate() interacted when using the ext4 file system. A local, unprivileged user could use this flaw to expose random data from an extent whose data blocks have not yet been written, and thus contain data from a deleted file. (CVE-2012-4508, Important)

* A flaw was found in the way the vhost kernel module handled descriptors that spanned multiple regions. A privileged guest user in a KVM guest could use this flaw to crash the host or, potentially, escalate their privileges on the host. (CVE-2013-0311, Important)

* It was found that the default SCSI command filter does not accommodate commands that overlap across device classes. A privileged guest user could potentially use this flaw to write arbitrary data to a LUN that is passed-through as read-only. (CVE-2012-4542, Moderate)

* A flaw was found in the way the xen_failsafe_callback() function in the Linux kernel handled the failed iret (interrupt return) instruction notification from the Xen hypervisor. An unprivileged user in a 32-bit para-virtualized guest could use this flaw to crash the guest. (CVE-2013-0190, Moderate)

* A flaw was found in the way pmd_present() interacted with PROT_NONE memory ranges when transparent hugepages were in use. A local, unprivileged user could use this flaw to crash the system.
(CVE-2013-0309, Moderate)

* A flaw was found in the way CIPSO (Common IP Security Option) IP options were validated when set from user mode. A local user able to set CIPSO IP options on the socket could use this flaw to crash the system. (CVE-2013-0310, Moderate)

Red Hat would like to thank Theodore Ts'o for reporting CVE-2012-4508, and Andrew Cooper of Citrix for reporting CVE-2013-0190. Upstream acknowledges Dmitry Monakhov as the original reporter of CVE-2012-4508. The CVE-2012-4542 issue was discovered by Paolo Bonzini of Red Hat.

This update also fixes several hundred bugs and adds enhancements.
Refer to the Red Hat Enterprise Linux 6.4 Release Notes for information on the most significant of these changes, and the Technical Notes for further information, both linked to in the References.

All Red Hat Enterprise Linux 6 users are advised to install these updated packages, which correct these issues, and fix the bugs and add the enhancements noted in the Red Hat Enterprise Linux 6.4 Release Notes and Technical Notes. The system must be rebooted for this update to take effect.

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6.2 Extended Update Support.

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.

This update fixes the following security issues :

* A flaw was found in the way the vhost kernel module handled descriptors that spanned multiple regions. A privileged guest user in a KVM (Kernel-based Virtual Machine) guest could use this flaw to crash the host or, potentially, escalate their privileges on the host.
(CVE-2013-0311, Important)

* A flaw was found in the way the KVM subsystem handled guests attempting to run with the X86_CR4_OSXSAVE CPU feature flag set. On hosts without the XSAVE CPU feature, a local, unprivileged user could use this flaw to crash the host system. (The 'grep --color xsave /proc/cpuinfo' command can be used to verify if your system has the XSAVE CPU feature.) (CVE-2012-4461, Moderate)

* It was found that the default SCSI command filter does not accommodate commands that overlap across device classes. A privileged guest user could potentially use this flaw to write arbitrary data to a LUN that is passed-through as read-only. (CVE-2012-4542, Moderate)

* A use-after-free flaw was found in the tmpfs implementation. A local user able to mount and unmount a tmpfs file system could use this flaw to cause a denial of service or, potentially, escalate their privileges. (CVE-2013-1767, Low)

Red Hat would like to thank Jon Howell for reporting CVE-2012-4461.
CVE-2012-4542 was discovered by Paolo Bonzini of Red Hat.

This update also fixes the following bugs :

* Previously, when open(2) system calls were processed, the GETATTR routine did not check to see if valid attributes were also returned.
As a result, the open() call succeeded with invalid attributes instead of failing in such a case. This update adds the missing check, and the open() call succeeds only when valid attributes are returned.
(BZ#960409)

* Previously, the fsync(2) system call incorrectly returned the EIO (Input/Output) error instead of the ENOSPC (No space left on device) error. This was due to incorrect error handling in the page cache.
This problem has been fixed and the correct error value is now returned. (BZ#960418)

* In the RPC code, when a network socket backed up due to high network traffic, a timer was set causing a retransmission, which in turn could cause an even larger amount of network traffic to be generated. To prevent this problem, the RPC code now waits for the socket to empty instead of setting the timer. (BZ#960423)

* This update fixes a number of bugs in the be2iscsi driver for ServerEngines BladeEngine 2 Open iSCSI devices. (BZ#955502)

Users should upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect.

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2013-0496 advisory.

    - [virt] xen: Fix stack corruption in xen_failsafe_callback for 32bit PVOPS guests (Andrew Jones) [896050]     {CVE-2013-0190}
    - [block] sg_io: use different default filters for each device class (Paolo Bonzini) [875361]     {CVE-2012-4542}
    - [block] sg_io: prepare for adding per-device-type filters (Paolo Bonzini) [875361] {CVE-2012-4542}
    - [virt] kvm: invalid opcode oops on SET_SREGS with OSXSAVE bit set (Petr Matousek) [862904]     {CVE-2012-4461}
    - [fs] exec: do not leave bprm->interp on stack (Josh Poimboeuf) [880146] {CVE-2012-4530}
    - [fs] exec: use -ELOOP for max recursion depth (Josh Poimboeuf) [880146] {CVE-2012-4530}
    - [kernel] kmod: make __request_module() killable (Oleg Nesterov) [819529] {CVE-2012-4398}
    - [kernel] kmod: introduce call_modprobe() helper (Oleg Nesterov) [819529] {CVE-2012-4398}
    - [kernel] usermodehelper: implement UMH_KILLABLE (Oleg Nesterov) [819529] {CVE-2012-4398}
    - [kernel] usermodehelper: introduce umh_complete(sub_info) (Oleg Nesterov) [819529] {CVE-2012-4398}
    - [kernel] call_usermodehelper: simplify/fix UMH_NO_WAIT case (Oleg Nesterov) [819529] {CVE-2012-4398}
    - [kernel] wait_for_helper: SIGCHLD from user-space can lead to use-after-free (Oleg Nesterov) [819529]     {CVE-2012-4398}

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.

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2013-2507 advisory.

    - vhost: fix length for cross region descriptor (Michael S. Tsirkin) [Orabug:
    16387183] {CVE-2013-0311}
    - x86/xen: don't assume %ds is usable in xen_iret for 32-bit PVOPS. (Jan     Beulich) {CVE-2013-0228}
    - kmod: make __request_module() killable (Oleg Nesterov) [Orabug: 16286305]     {CVE-2012-4398}
    - kmod: introduce call_modprobe() helper (Oleg Nesterov) [Orabug: 16286305]     {CVE-2012-4398}
    - usermodehelper: implement UMH_KILLABLE (Oleg Nesterov) [Orabug: 16286305]     {CVE-2012-4398}
    - usermodehelper: introduce umh_complete(sub_info) (Oleg Nesterov) [Orabug:
    16286305] {CVE-2012-4398}
    - KVM: x86: invalid opcode oops on SET_SREGS with OSXSAVE bit set     (CVE-2012-4461) (Jerry Snitselaar) [Orabug: 16286290] {CVE-2012-4461}
    - exec: do not leave bprm->interp on stack (Kees Cook) [Orabug: 16286267]     {CVE-2012-4530}
    - exec: use -ELOOP for max recursion depth (Kees Cook) [Orabug: 16286267]     {CVE-2012-4530}
    - xen-pciback: rate limit error messages from xen_pcibk_enable_msi{,x}() (Jan     Beulich) [Orabug: 16243736] {CVE-2013-0231}
    - netback: correct netbk_tx_err to handle wrap around. (Ian Campbell) [Orabug:
    16243309] {CVE-2013-0216 CVE-2013-0217}
    - xen/netback: free already allocated memory on failure in     xen_netbk_get_requests (Ian Campbell) [Orabug: 16243309] {CVE-2013-0216     CVE-2013-0217}
    - xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop. (Ian     Campbell) [Orabug: 16243309] {CVE-2013-0216 CVE-2013-0217}
    - xen: Fix stack corruption in xen_failsafe_callback for 32bit PVOPS guests.
    (Andrew Cooper) {CVE-2013-0190}
    - Fix length of buffer copied in __nfs4_get_acl_uncached (Sachin Prabhu) [Bug-     db: 14798] {CVE-2012-2375}
    - Avoid reading past buffer when calling GETACL (Sachin Prabhu) [Bug-db: 14798]     {CVE-2012-2375}
    - Avoid beyond bounds copy while caching ACL (Sachin Prabhu) [Bug-db: 14798]     {CVE-2012-2375}

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
286780	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002234)	Nessus	Unity Linux Local Security Checks	2026/1/15	2026/1/15	high
65077	Ubuntu 11.10 : linux vulnerabilities (USN-1756-1)	Nessus	Ubuntu Local Security Checks	2013/3/7	2019/9/19	medium
65252	Ubuntu 10.04 LTS : linux-lts-backport-oneiric vulnerabilities (USN-1760-1)	Nessus	Ubuntu Local Security Checks	2013/3/13	2019/9/19	medium
65609	Ubuntu 12.04 LTS : linux vulnerabilities (USN-1767-1)	Nessus	Ubuntu Local Security Checks	2013/3/19	2019/9/19	medium
66344	SuSE 11.2 Security Update : Linux kernel (SAT Patch Numbers 7667 / 7669 / 7675)	Nessus	SuSE Local Security Checks	2013/5/8	2021/1/19	high
65171	RHEL 6 : Red Hat Enterprise Linux 6 kernel update (Important) (RHSA-2013:0496)	Nessus	Red Hat Local Security Checks	2013/3/10	2025/4/15	high
65611	Ubuntu 12.10 : linux vulnerabilities (USN-1769-1)	Nessus	Ubuntu Local Security Checks	2013/3/19	2019/9/19	medium
78950	RHEL 6 : rhev-hypervisor6 (RHSA-2013:0579)	Nessus	Red Hat Local Security Checks	2014/11/8	2025/4/15	high
65134	CentOS 6 : kernel (CESA-2013:0496)	Nessus	CentOS Local Security Checks	2013/3/10	2021/1/4	medium
66705	RHEL 6 : kernel (RHSA-2013:0882)	Nessus	Red Hat Local Security Checks	2013/5/31	2021/1/14	medium
68739	Oracle Linux 6 : kernel (ELSA-2013-0496)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2026/2/9	high
65610	Ubuntu 12.04 LTS : linux-lts-quantal vulnerabilities (USN-1768-1)	Nessus	Ubuntu Local Security Checks	2013/3/19	2019/9/19	medium
68847	Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2013-2507)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2026/2/9	high

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