CWE
416
Advisory Published
Advisory Published

RHSA-2018:1216: Important: kernel security and bug fix update

First published: Tue Apr 24 2018(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)</li> 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.<br>Red Hat would like to thank Mohamed Ghannam for reporting this issue.<br>Bug Fix(es):<br><li> Previously, the XFS code included a circular dependency between the xfs-log and the xfs-cil workqueues. Consequently, an XFS deadlock occurred in some cases. This update adds a new workqueue dedicated to the log covering background task to avoid the deadlock. (BZ#1543303)</li> <li> The kernel build requirements have been updated to the GNU Compiler Collection (GCC) compiler version that has the support for Retpolines. The Retpolines mechanism is a software construct that leverages specific knowledge of the underlying hardware to mitigate the branch target injection, also known as Spectre variant 2 vulnerability described in CVE-2017-5715. (BZ#1553181)</li>

Affected SoftwareAffected VersionHow to fix
redhat/kernel<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-abi-whitelists<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-debug<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-debug-debuginfo<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-debug-devel<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-debuginfo<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-devel<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-doc<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-headers<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-tools<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-tools-debuginfo<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-tools-libs<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/kernel-tools-libs-devel<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/perf<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/perf-debuginfo<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/python-perf<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7
redhat/python-perf-debuginfo<3.10.0-327.66.1.el7
3.10.0-327.66.1.el7

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Frequently Asked Questions

  • What is the severity of RHSA-2018:1216?

    The severity of RHSA-2018:1216 is classified as Important.

  • How do I fix RHSA-2018:1216?

    To fix RHSA-2018:1216, update the kernel package to version 3.10.0-327.66.1.el7 or later.

  • What vulnerability is addressed in RHSA-2018:1216?

    RHSA-2018:1216 addresses a use-after-free vulnerability in DCCP socket (CVE-2017-8824).

  • Which kernel versions are affected by RHSA-2018:1216?

    Kernel versions prior to 3.10.0-327.66.1.el7 are affected by RHSA-2018:1216.

  • What packages are included in the RHSA-2018:1216 advisory?

    The RHSA-2018:1216 advisory includes multiple packages, such as kernel, kernel-debug, and kernel-devel.

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