RHSA-2019:4056: Important: kernel security update

Published Dec 3, 2019
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)</li> <li> Kernel: page cache side channel attacks (CVE-2019-5489)</li> 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.

Affected Software

15 affected componentsFixes available
redhat/kernel<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-abi-whitelists<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-debug<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-debug-debuginfo<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-debug-devel<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-debuginfo<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-devel<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-doc<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-firmware<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/kernel-headers<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/perf<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/perf-debuginfo<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/python-perf<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6
redhat/python-perf-debuginfo<2.6.32-431.97.1.el6
2.6.32-431.97.1.el6

Remediation

Event History

Jun 20, 2024
Advisory Published
via Red Hat·01:04 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2019:4056?

The severity of RHSA-2019:4056 is rated as important due to memory corruption and potential side channel attacks.

2

How do I fix RHSA-2019:4056?

To fix RHSA-2019:4056, update the kernel packages to version 2.6.32-431.97.1.el6 or later.

3

What vulnerabilities are addressed by RHSA-2019:4056?

RHSA-2019:4056 addresses memory corruption due to incorrect socket cloning (CVE-2018-9568) and page cache side channel attacks (CVE-2019-5489).

4

Which systems are affected by RHSA-2019:4056?

RHSA-2019:4056 affects Red Hat Enterprise Linux 6 with specific kernel versions prior to update 2.6.32-431.97.1.el6.

5

Is there a workaround for RHSA-2019:4056?

There are no official workarounds for RHSA-2019:4056, and it is recommended to apply the available updates.

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