Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2017-17712)

ChunYu Wang discovered that a use-after-free vulnerability existed in the SCTP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code, (CVE-2017-15115)

Mohamed Ghannam discovered a use-after-free vulnerability in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-8824)

USN-3541-1 mitigated CVE-2017-5715 (Spectre Variant 2) for the amd64 architecture in Ubuntu 17.10. This update provides the compiler-based retpoline kernel mitigation for the amd64 and i386 architectures. 

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. (CVE-2017-5715).

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 Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-4025 advisory.

    - dccp: CVE-2017-8824: use-after-free in DCCP code (Mohamed Ghannam)  [Orabug: 27290300]  {CVE-2017-8824}
    - ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser)  [Orabug: 27344841]  {CVE-2017-0861}     {CVE-2017-0861}
    - assoc_array: Fix a buggy node-splitting case (David Howells)  [Orabug: 27364592]  {CVE-2017-12193}     {CVE-2017-12193}
    - Sanitize move_pages() permission checks (Linus Torvalds)  [Orabug: 27364690]  {CVE-2017-14140}
    - pti: compile fix for when PTI is disabled (Pavel Tatashin)  [Orabug: 27383147]  {CVE-2017-5754}
    - sctp: do not peel off an assoc from one netns to another one (Xin Long)  [Orabug: 27386999]     {CVE-2017-15115}
    - net: ipv4: fix for a race condition in raw_sendmsg (Mohamed Ghannam)  [Orabug: 27390682]     {CVE-2017-17712}

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.

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - The IPv6 SCTP implementation in net/sctp/ipv6.c in the     Linux kernel through 3.11.1 uses data structures and     function calls that do not trigger an intended     configuration of IPsec encryption, which allows remote     attackers to obtain sensitive information by sniffing     the network.(CVE-2013-4350i1/4%0

  - The sg_ioctl function in drivers/scsi/sg.c in the Linux     kernel allows local users to cause a denial of service     (stack-based buffer overflow) or possibly have     unspecified other impacts via a large command size in     an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds     write access in the sg_write function.(CVE-2017-7187i1/4%0

  - An issue was discovered in can_can_gw_rcv in     net/can/gw.c in the Linux kernel through 4.19.13. The     CAN frame modification rules allow bitwise logical     operations that can be also applied to the can_dlc     field. Because of a missing check, the CAN drivers may     write arbitrary content beyond the data registers in     the CAN controller's I/O memory when processing can-gw     manipulated outgoing frames. This is related to     cgw_csum_xor_rel. An unprivileged user can trigger a     system crash (general protection     fault).(CVE-2019-3701i1/4%0

  - net/rds/sysctl.c in the Linux kernel before 3.19 uses     an incorrect data type in a sysctl table, which allows     local users to obtain potentially sensitive information     from kernel memory or possibly have unspecified other     impact by accessing a sysctl entry.(CVE-2015-2042i1/4%0

  - The inet_csk_clone_lock function in     net/ipv4/inet_connection_sock.c in the Linux kernel     allows attackers to cause a denial of service (double     free) or possibly have unspecified other impact by     leveraging use of the accept system call. An     unprivileged local user could use this flaw to induce     kernel memory corruption on the system, leading to a     crash. Due to the nature of the flaw, privilege     escalation cannot be fully ruled out, although we     believe it is unlikely.(CVE-2017-8890i1/4%0

  - The overlayfs implementation in the linux (aka Linux     kernel) package before 3.19.0-21.21 in Ubuntu through     15.04 does not properly check permissions for file     creation in the upper filesystem directory, which     allows local users to obtain root access by leveraging     a configuration in which overlayfs is permitted in an     arbitrary mount namespace.(CVE-2015-1328i1/4%0

  - The xfs_dinode_verify function in     fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel     through 4.16.3 allows local users to cause a denial of     service (xfs_ilock_attr_map_shared invalid pointer     dereference) via a crafted xfs image.(CVE-2018-10322i1/4%0

  - In the flush_tmregs_to_thread function in     arch/powerpc/kernel/ptrace.c in the Linux kernel before     4.13.5, a guest kernel crash can be triggered from     unprivileged userspace during a core dump on a POWER     host due to a missing processor feature check and an     erroneous use of transactional memory (TM) instructions     in the core dump path, leading to a denial of     service.(CVE-2018-1091i1/4%0

  - ** DISPUTED ** drivers/scsi/libsas/sas_scsi_host.c in     the Linux kernel before 4.16 allows local users to     cause a denial of service (ata qc leak) by triggering     certain failure conditions. NOTE: a third party     disputes the relevance of this report because the     failure can only occur for physically proximate     attackers who unplug SAS Host Bus Adapter     cables.(CVE-2018-10021i1/4%0

  - A use-after-free flaw was discovered in the Linux     kernel's tty subsystem, which allows for the disclosure     of uncontrolled memory location and possible kernel     panic. The information leak is caused by a race     condition when attempting to set and read the tty line     discipline. A local attacker could use the TIOCSETD     (via tty_set_ldisc ) to switch to a new line discipline     a concurrent call to a TIOCGETD ioctl performing a read     on a given tty could then access previously allocated     memory. Up to 4 bytes could be leaked when querying the     line discipline or the kernel could panic with a     NULL-pointer dereference.(CVE-2016-0723i1/4%0

  - An out-of-bounds read flaw was found in the way the     Logitech Unifying receiver driver handled HID reports     with an invalid device_index value. An attacker with     physical access to the system could use this flaw to     crash the system or, potentially, escalate their     privileges on the system.(CVE-2014-3182i1/4%0

  - arch/x86/kvm/emulate.c in the Linux kernel through     4.9.3 allows local users to obtain sensitive     information from kernel memory or cause a denial of     service (use-after-free) via a crafted application that     leverages instruction emulation for fxrstor, fxsave,     sgdt, and sidt.(CVE-2017-2584i1/4%0

  - A flaw was found in the way the Linux kernel handled     IRET faults during the processing of NMIs. An     unprivileged, local user could use this flaw to crash     the system or, potentially (although highly unlikely),     escalate their privileges on the     system.(CVE-2015-5157i1/4%0

  - drivers/media/media-device.c in the Linux kernel before     3.11, as used in Android before 2016-08-05 on Nexus 5     and 7 (2013) devices, does not properly initialize     certain data structures, which allows local users to     obtain sensitive information via a crafted application,     aka Android internal bug 28750150 and Qualcomm internal     bug CR570757, a different vulnerability than     CVE-2014-1739.(CVE-2014-9895i1/4%0

  - A use-after-free vulnerability in sys_ioprio_get() was     found due to get_task_ioprio() accessing the     task-i1/4zio_context without holding the task lock and     could potentially race with exit_io_context(), leading     to a use-after-free.(CVE-2016-7911i1/4%0

  - A flaw was found in the Linux kernel which is related     to the user namespace lazily unmounting file systems.
    The fs_pin struct has two members (m_list and s_list)     which are usually initialized on use in the     pin_insert_group function. However, these members might     go unmodified in this case, the system panics when it     attempts to destroy or free them. This flaw could be     used to launch a denial-of-service     attack.(CVE-2015-4178i1/4%0

  - A flaw was found in the Linux kernel's implementation     of raw_sendmsg allowing a local attacker to panic the     kernel or possibly leak kernel addresses. A local     attacker, with the privilege of creating raw sockets,     can abuse a possible race condition when setting the     socket option to allow the kernel to automatically     create ip header values and thus potentially escalate     their privileges.(CVE-2017-17712i1/4%0

  - A flaw was discovered in the F2FS filesystem code in     fs/f2fs/super.c in the Linux kernel. A denial of     service, due to an out-of-bounds memory access, can     occur upon encountering an abnormal bitmap size when     mounting a crafted f2fs image.(CVE-2018-13096i1/4%0

  - A NULL pointer dereference flaw was found in the way     the Linux kernel's madvise MADV_WILLNEED functionality     handled page table locking. A local, unprivileged user     could use this flaw to crash the     system.(CVE-2014-8173i1/4%0

  - An out-of-bounds heap memory access leading to a Denial     of Service, heap disclosure, or further impact was     found in setsockopt(). The function call is normally     restricted to root, however some processes with     cap_sys_admin may also be able to trigger this flaw in     privileged container environments.(CVE-2016-4998i1/4%0

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

The 4.14.8 stable kernel update contains a number of important fixes across the tree.

----

The 4.14.7 stable kernel update contains a number of important fixes across the tree.

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

The 4.14.7 stable kernel update contains a number of important fixes across the tree.

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

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002584 advisory.

    The raw_sendmsg() function in net/ipv4/raw.c in the Linux kernel through 4.14.6 has a race condition in     inet->hdrincl that leads to uninitialized stack pointer usage; this allows a local user to execute code     and gain 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.

Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2017-17712)

ChunYu Wang discovered that a use-after-free vulnerability existed in the SCTP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code, (CVE-2017-15115)

Mohamed Ghannam discovered a use-after-free vulnerability in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-8824).

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 OracleVM system is missing necessary patches to address critical security updates :

  - drivers/char/mem.c: deny access in open operation when     securelevel is set (Ethan Zhao) [Orabug: 27234850]     [Orabug: 27234850]

  - hugetlb: fix nr_pmds accounting with shared page tables     (Kirill A. Shutemov) [Orabug: 26988581]

  - x86/IBRS: Drop unnecessary WRITE_ONCE (Boris Ostrovsky)     [Orabug: 27416198]

  - x86/IBRS: Don't try to change IBRS mode if IBRS is not     available (Boris Ostrovsky) [Orabug: 27416198]

  - x86/IBRS: Remove support for IBRS_ENABLED_USER mode     (Boris Ostrovsky) 

  - x86: Include linux/device.h in bugs_64.c (Boris     Ostrovsky) [Orabug: 27418896]

  - x86/spectre: Drop the warning about ibrs being obsolete.
    (Konrad Rzeszutek Wilk)

  - x86/spec: Don't print the Missing arguments for option     spectre_v2. (Konrad Rzeszutek Wilk)

  - x86/spec: Also print IBRS if IBPB is disabled. (Konrad     Rzeszutek Wilk)

  - x86/IBPB: Provide debugfs interface for changing IBPB     mode (Boris Ostrovsky) [Orabug: 27449065]

  - xen: Make PV Dom0 Linux kernel NUMA aware (Elena     Ufimtseva)

  - net/rds: Fix incorrect error handling (H&aring kon     Bugge) [Orabug: 26848729]

  - net/rds: use multiple sge than buddy allocation in     congestion code (Wei Lin Guay) [Orabug: 26848729]

  - Revert 'RDS: fix the sg allocation based on actual     message size' (Wei Lin Guay) [Orabug: 26848729]

  - Revert 'RDS: avoid large pages for sg allocation for TCP     transport' (Wei Lin Guay) [Orabug: 26848729]

  - Revert 'net/rds: Reduce memory footprint in rds_sendmsg'     (Wei Lin Guay) [Orabug: 26848729]

  - net/rds: reduce memory footprint during ib_post_recv in     IB transport (Wei Lin Guay) [Orabug: 26848729]

  - net/rds: reduce memory footprint during rds_sendmsg with     IB transport (Wei Lin Guay) [Orabug: 26848729]

  - net/rds: set the rds_ib_init_frag based on supported sge     (Wei Lin Guay) [Orabug: 26848729]

  - bnxt_en: Fix possible corrupted NVRAM parameters from     firmware response. (Michael Chan) [Orabug: 27199588]

  - x86, kasan: Fix build failure on KASAN=y && KMEMCHECK=y     kernels (Andrey Ryabinin) [Orabug: 27255122]

  - x86, efi, kasan: Fix build failure on !KASAN &&     KMEMCHECK=y kernels (Andrey Ryabinin) [Orabug: 27255122]

  - x86, efi, kasan: #undef memset/memcpy/memmove per arch     (Andrey Ryabinin) [Orabug: 27255122]

  - Revert 'Makefile: Build with -Werror=date-time if the     compiler supports it' (Gayatri Vasudevan) [Orabug:
    27255122]

  - dccp: CVE-2017-8824: use-after-free in DCCP code     (Mohamed Ghannam) [Orabug: 27290300] (CVE-2017-8824)

  - x86/efi: Initialize and display UEFI secure boot state a     bit later during init (Daniel Kiper) [Orabug: 27309477]

  - x86/espfix: Init espfix on the boot CPU side (Zhu     Guihua) [Orabug: 27344552]

  - x86/espfix: Add 'cpu' parameter to init_espfix_ap (Zhu     Guihua) 

  - ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser)     [Orabug: 27344841] (CVE-2017-0861) (CVE-2017-0861)

  - fs/ocfs2: remove page cache for converted direct write     (Wengang Wang)

  - Revert 'ocfs2: code clean up for direct io' (Wengang     Wang)

  - assoc_array: Fix a buggy node-splitting case (David     Howells) [Orabug: 27364592] (CVE-2017-12193)     (CVE-2017-12193)

  - Sanitize 'move_pages' permission checks (Linus Torvalds)     [Orabug: 27364690] (CVE-2017-14140)

  - pti: compile fix for when PTI is disabled (Pavel     Tatashin) [Orabug: 27383147] (CVE-2017-5754)

  - sctp: do not peel off an assoc from one netns to another     one (Xin Long) [Orabug: 27386999] (CVE-2017-15115)

  - net: ipv4: fix for a race condition in raw_sendmsg     (Mohamed Ghannam) [Orabug: 27390682] (CVE-2017-17712)

  - mlx4: add mstflint secure boot access kernel support     (Qing Huang) 

  - x86: Move STUFF_RSB in to the idt macro (Konrad     Rzeszutek Wilk)

  - x86/spec: STUFF_RSB _before_ ENABLE_IBRS (Konrad     Rzeszutek Wilk)

  - x86: Move ENABLE_IBRS in the interrupt macro. (Konrad     Rzeszutek Wilk)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
106969	Ubuntu 17.10 : linux vulnerabilities (USN-3581-1) (Spectre)	Nessus	Ubuntu Local Security Checks	2018/2/23	2025/10/29	high
106670	Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4025)	Nessus	Oracle Linux Local Security Checks	2018/2/8	2026/2/9	high
124972	EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1519)	Nessus	Huawei Local Security Checks	2019/5/14	2022/5/20	high
105447	Fedora 26 : kernel (2017-7810b7c59f)	Nessus	Fedora Local Security Checks	2017/12/26	2025/11/11	high
106010	Fedora 27 : kernel (2017-f7cb245861)	Nessus	Fedora Local Security Checks	2018/1/15	2025/11/3	high
287430	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002584)	Nessus	Unity Linux Local Security Checks	2026/1/15	2026/1/16	high
106971	Ubuntu 17.10 : linux-raspi2 vulnerabilities (USN-3581-3)	Nessus	Ubuntu Local Security Checks	2018/2/23	2025/10/29	high
106706	OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0017) (Meltdown)	Nessus	OracleVM Local Security Checks	2018/2/9	2026/1/13	high

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