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Red Hat: RHSA-2019-4255-01 Important: Kernel Memory Corruption Fix

red hat
Calendar Grey December 17, 2019
Dist Redhat Esm H88
Debian announces a critical firmware patch for Version 9.0 tackling buffer overflow vulnerabilities and information leakage risks.
An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support

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: Memory corruption due to incorrect socket cloning (CVE-2018-9568)
* Kernel: page cache side channel attacks (CVE-2019-5489)
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.

Topics%20covered

Topics Covered

security advisory Red Hat memory corruption kernel security impact important update page cache side channel

References

https://access.redhat.com/security/cve/CVE-2018-9568 https://access.redhat.com/security/cve/CVE-2019-5489 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server AUS (v. 6.6):
Source: kernel-2.6.32-504.82.1.el6.src.rpm
noarch: kernel-abi-whitelists-2.6.32-504.82.1.el6.noarch.rpm kernel-doc-2.6.32-504.82.1.el6.noarch.rpm kernel-firmware-2.6.32-504.82.1.el6.noarch.rpm
x86_64: kernel-2.6.32-504.82.1.el6.x86_64.rpm kernel-debug-2.6.32-504.82.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-504.82.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-504.82.1.el6.x86_64.rpm kernel-devel-2.6.32-504.82.1.el6.x86_64.rpm kernel-headers-2.6.32-504.82.1.el6.x86_64.rpm perf-2.6.32-504.82.1.el6.x86_64.rpm perf-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 6.6):
x86_64: kernel-debug-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-504.82.1.el6.x86_64.rpm perf-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm python-perf-2.6.32-504.82.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-504.82.1.el6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:4255-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4255
Issue date: 2019-12-17

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6.6Advanced Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat memory corruption kernel security impact important update page cache side channel

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 6.6) - noarch, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 6.6) - x86_64

Bugs Fixed

1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning

1664110 - CVE-2019-5489 Kernel: page cache side channel attacks

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