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RedHat: RHSA-2020-2933-01 Moderate: Kernel Information Exposure

red hat
Calendar Grey July 15, 2020
Dist Redhat Esm H88
A stable kernel security patch for CentOS includes vulnerability fixes and enhanced data protection measures.
An update for kernel is now available for Red Hat Enterprise Linux 6

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Page soft offlining may result in soft lockup or crash during hugepage migration (BZ#1839653)
* Backport NETDEV_CHANGE event fix for LACP (BZ#1841819)

Topics%20covered

Topics Covered

security advisory moderate bug fix DoS Red Hat Enterprise Linux kernel information exposure

References

https://access.redhat.com/security/cve/CVE-2019-18660 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: kernel-2.6.32-754.31.1.el6.src.rpm
i386: kernel-2.6.32-754.31.1.el6.i686.rpm kernel-debug-2.6.32-754.31.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.31.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.31.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.31.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.31.1.el6.i686.rpm kernel-devel-2.6.32-754.31.1.el6.i686.rpm kernel-headers-2.6.32-754.31.1.el6.i686.rpm perf-2.6.32-754.31.1.el6.i686.rpm perf-debuginfo-2.6.32-754.31.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.31.1.el6.i686.rpm
noarch: kernel-abi-whitelists-2.6.32-754.31.1.el6.noarch.rpm kernel-doc-2.6.32-754.31.1.el6.noarch.rpm kernel-firmware-2.6.32-754.31.1.el6.noarch.rpm
x86_64: kernel-2.6.32-754.31.1.el6.x86_64.rpm kernel-debug-2.6.32-754.31.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.31.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.31.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.31.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.31.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.31.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.31.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.31.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.31.1.el6.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:2933-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2933
Issue date: 2020-07-15

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate bug fix DoS Red Hat Enterprise Linux kernel information exposure

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

Bugs Fixed

1777825 - CVE-2019-18660 kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure

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