The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry()     function. An attacker could exploit this by operating on a mounted crafted ext4 image. (CVE-2018-10840)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3752-1 advisory.

    It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference     could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a     denial of service (system crash). (CVE-2018-1000200)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate     meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted,     could cause a denial of service (system crash). (CVE-2018-10323)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate     xattr information. An attacker could use this to construct a malicious xfs image that, when mounted, could     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10840)

    Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep meta-     data information consistent in some situations. An attacker could use this to construct a malicious ext4     image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10881)

    Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle     corrupted meta data in some situations. An attacker could use this to specially craft an ext4 filesystem     that caused a denial of service (system crash) when mounted. (CVE-2018-1093)

    Jann Horn discovered that the Linux kernel's implementation of random seed data reported that it was in a     ready state before it had gathered sufficient entropy. An attacker could use this to expose sensitive     information. (CVE-2018-1108)

    It was discovered that the procfs filesystem did not properly handle processes mapping some memory     elements onto files. A local attacker could use this to block utilities that examine the procfs filesystem     to report operating system state, such as ps(1). (CVE-2018-1120)

    Jann Horn discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep     xattr information consistent in some situations. An attacker could use this to construct a malicious ext4     image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2018-11412)

    Piotr Gabriel Kosinski and Daniel Shapira discovered a stack-based buffer overflow in the CDROM driver     implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system     crash) or possibly execute arbitrary code. (CVE-2018-11506)

    Shankara Pailoor discovered that a race condition existed in the socket handling code in the Linux kernel.
    A local attacker could use this to cause a denial of service (system crash). (CVE-2018-12232)

    Shankara Pailoor discovered that the JFS filesystem implementation in the Linux kernel contained a buffer     overflow when handling extended attributes. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2018-12233)

    Felix Wilhelm discovered that the KVM implementation in the Linux kernel did not properly perform     permission checks in some situations when nested virtualization is used. An attacker in a guest VM could     possibly use this to escape into an outer VM or the host OS. (CVE-2018-12904)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly handle an     error condition with a corrupted xfs image. An attacker could use this to construct a malicious xfs image     that, when mounted, could cause a denial of service (system crash). (CVE-2018-13094)

    It was discovered that the Linux kernel did not properly handle setgid file creation when performed by a     non-member of the group. A local attacker could use this to gain elevated privileges. (CVE-2018-13405)

    Silvio Cesare discovered that the generic VESA frame buffer driver in the Linux kernel contained an     integer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2018-13406)

    Jakub Jirasek discovered that multiple use-after-free errors existed in the USB/IP 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-2018-5814)

    It was discovered that a race condition existed in the ARM Advanced Microcontroller Bus Architecture     (AMBA) driver in the Linux kernel that could result in a double free. A local attacker could use this to     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-9415)

    It was discovered that an information leak existed in the generic SCSI driver in the Linux kernel. A local     attacker could use this to expose sensitive information (kernel memory). (CVE-2018-1000204)

Tenable has extracted the preceding description block directly from the Ubuntu 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 v4.16.12 update contains 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 remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3752-3 advisory.

    It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference     could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a     denial of service (system crash). (CVE-2018-1000200)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate     meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted,     could cause a denial of service (system crash). (CVE-2018-10323)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate     xattr information. An attacker could use this to construct a malicious xfs image that, when mounted, could     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10840)

    Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep meta-     data information consistent in some situations. An attacker could use this to construct a malicious ext4     image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10881)

    Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle     corrupted meta data in some situations. An attacker could use this to specially craft an ext4 filesystem     that caused a denial of service (system crash) when mounted. (CVE-2018-1093)

    Jann Horn discovered that the Linux kernel's implementation of random seed data reported that it was in a     ready state before it had gathered sufficient entropy. An attacker could use this to expose sensitive     information. (CVE-2018-1108)

    It was discovered that the procfs filesystem did not properly handle processes mapping some memory     elements onto files. A local attacker could use this to block utilities that examine the procfs filesystem     to report operating system state, such as ps(1). (CVE-2018-1120)

    Jann Horn discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep     xattr information consistent in some situations. An attacker could use this to construct a malicious ext4     image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2018-11412)

    Piotr Gabriel Kosinski and Daniel Shapira discovered a stack-based buffer overflow in the CDROM driver     implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system     crash) or possibly execute arbitrary code. (CVE-2018-11506)

    Shankara Pailoor discovered that a race condition existed in the socket handling code in the Linux kernel.
    A local attacker could use this to cause a denial of service (system crash). (CVE-2018-12232)

    Shankara Pailoor discovered that the JFS filesystem implementation in the Linux kernel contained a buffer     overflow when handling extended attributes. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2018-12233)

    Felix Wilhelm discovered that the KVM implementation in the Linux kernel did not properly perform     permission checks in some situations when nested virtualization is used. An attacker in a guest VM could     possibly use this to escape into an outer VM or the host OS. (CVE-2018-12904)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly handle an     error condition with a corrupted xfs image. An attacker could use this to construct a malicious xfs image     that, when mounted, could cause a denial of service (system crash). (CVE-2018-13094)

    It was discovered that the Linux kernel did not properly handle setgid file creation when performed by a     non-member of the group. A local attacker could use this to gain elevated privileges. (CVE-2018-13405)

    Silvio Cesare discovered that the generic VESA frame buffer driver in the Linux kernel contained an     integer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2018-13406)

    Jakub Jirasek discovered that multiple use-after-free errors existed in the USB/IP 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-2018-5814)

    It was discovered that a race condition existed in the ARM Advanced Microcontroller Bus Architecture     (AMBA) driver in the Linux kernel that could result in a double free. A local attacker could use this to     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-9415)

    It was discovered that an information leak existed in the generic SCSI driver in the Linux kernel. A local     attacker could use this to expose sensitive information (kernel memory). (CVE-2018-1000204)

Tenable has extracted the preceding description block directly from the Ubuntu 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 Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3752-2 advisory.

    USN-3752-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the     corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu     16.04 LTS.

    It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference     could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a     denial of service (system crash). (CVE-2018-1000200)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate     meta-data information. An attacker could use this to construct a malicious xfs image that, when mounted,     could cause a denial of service (system crash). (CVE-2018-10323)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate     xattr information. An attacker could use this to construct a malicious xfs image that, when mounted, could     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10840)

    Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep meta-     data information consistent in some situations. An attacker could use this to construct a malicious ext4     image that, when mounted, could cause a denial of service (system crash). (CVE-2018-10881)

    Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle     corrupted meta data in some situations. An attacker could use this to specially craft an ext4 filesystem     that caused a denial of service (system crash) when mounted. (CVE-2018-1093)

    Jann Horn discovered that the Linux kernel's implementation of random seed data reported that it was in a     ready state before it had gathered sufficient entropy. An attacker could use this to expose sensitive     information. (CVE-2018-1108)

    It was discovered that the procfs filesystem did not properly handle processes mapping some memory     elements onto files. A local attacker could use this to block utilities that examine the procfs filesystem     to report operating system state, such as ps(1). (CVE-2018-1120)

    Jann Horn discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep     xattr information consistent in some situations. An attacker could use this to construct a malicious ext4     image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary     code. (CVE-2018-11412)

    Piotr Gabriel Kosinski and Daniel Shapira discovered a stack-based buffer overflow in the CDROM driver     implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system     crash) or possibly execute arbitrary code. (CVE-2018-11506)

    Shankara Pailoor discovered that a race condition existed in the socket handling code in the Linux kernel.
    A local attacker could use this to cause a denial of service (system crash). (CVE-2018-12232)

    Shankara Pailoor discovered that the JFS filesystem implementation in the Linux kernel contained a buffer     overflow when handling extended attributes. A local attacker could use this to cause a denial of service     (system crash) or possibly execute arbitrary code. (CVE-2018-12233)

    Felix Wilhelm discovered that the KVM implementation in the Linux kernel did not properly perform     permission checks in some situations when nested virtualization is used. An attacker in a guest VM could     possibly use this to escape into an outer VM or the host OS. (CVE-2018-12904)

    Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly handle an     error condition with a corrupted xfs image. An attacker could use this to construct a malicious xfs image     that, when mounted, could cause a denial of service (system crash). (CVE-2018-13094)

    It was discovered that the Linux kernel did not properly handle setgid file creation when performed by a     non-member of the group. A local attacker could use this to gain elevated privileges. (CVE-2018-13405)

    Silvio Cesare discovered that the generic VESA frame buffer driver in the Linux kernel contained an     integer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly     execute arbitrary code. (CVE-2018-13406)

    Jakub Jirasek discovered that multiple use-after-free errors existed in the USB/IP 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-2018-5814)

    It was discovered that a race condition existed in the ARM Advanced Microcontroller Bus Architecture     (AMBA) driver in the Linux kernel that could result in a double free. A local attacker could use this to     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-9415)

    It was discovered that an information leak existed in the generic SCSI driver in the Linux kernel. A local     attacker could use this to expose sensitive information (kernel memory). (CVE-2018-1000204)

Tenable has extracted the preceding description block directly from the Ubuntu 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 Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:0162 advisory.

    The kernel-alt packages provide the Linux kernel version 4.x.

    Security Fix(es):

    * kernel: Heap-based buffer overflow in fs/ext4/xattr.c:ext4_xattr_set_entry() with crafted ext4 image     (CVE-2018-10840)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    These updated kernel-alt packages include also numerous bug fixes and enhancements. Space precludes     documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article:
    https://access.redhat.com/articles/3824202

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

ID	Name	Product	Family	Published	Updated	Severity
221495	Linux Distros Unpatched Vulnerability : CVE-2018-10840	Nessus	Misc.	3/4/2025	3/4/2025	medium
112109	Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-3752-1)	Nessus	Ubuntu Local Security Checks	8/24/2018	8/27/2024	high
110210	Fedora 27 : kernel (2018-9d0e4e40b5)	Nessus	Fedora Local Security Checks	5/30/2018	9/30/2024	medium
112189	Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel (Azure, GCP, OEM) vulnerabilities (USN-3752-3)	Nessus	Ubuntu Local Security Checks	8/30/2018	8/27/2024	high
112110	Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3752-2)	Nessus	Ubuntu Local Security Checks	8/24/2018	8/27/2024	high
120428	Fedora 28 : kernel (2018-537c8312fc)	Nessus	Fedora Local Security Checks	1/3/2019	7/5/2024	medium
121448	RHEL 7 : kernel-alt (RHSA-2019:0162)	Nessus	Red Hat Local Security Checks	1/30/2019	11/6/2024	medium

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