RHSA-2020:4991: Moderate: kernel security and bug fix update

Published Nov 10, 2020
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: net: bluetooth: information leak when processing certain AMP packets (CVE-2020-12352)</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.<br>Bug Fix(es):<br><li> RHEL7.6: no-carrier configured interfaces causes soft lockups by mount.nfs and hang booting/shutdown process (BZ#1889769)</li>

Affected Software

35 affected componentsFixes available
redhat/kernel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-abi-whitelists<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debug<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debug-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debug-devel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-devel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-doc<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-headers<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools-libs<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools-libs-devel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/perf<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/perf-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/python-perf<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/python-perf-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-bootwrapper<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debug<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debug-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debug-devel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-debuginfo-common-ppc64le<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-devel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-headers<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools-libs<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/kernel-tools-libs-devel<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/perf<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/perf-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/python-perf<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7
redhat/python-perf-debuginfo<3.10.0-514.85.1.el7
3.10.0-514.85.1.el7

Remediation

Event History

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

1

What is the severity of RHSA-2020:4991?

The severity of RHSA-2020:4991 is categorized as moderate.

2

How do I fix RHSA-2020:4991?

To fix RHSA-2020:4991, update to the kernel version 3.10.0-514.85.1.el7 or later.

3

What vulnerability is addressed in RHSA-2020:4991?

RHSA-2020:4991 addresses an information leak vulnerability when processing certain AMP packets, identified as CVE-2020-12352.

4

Which Linux kernel packages are affected by RHSA-2020:4991?

Affected packages include kernel, kernel-debug, kernel-devel, and several others in the 3.10.0-514.85.1.el7 version series.

5

What should I do if I cannot update my system for RHSA-2020:4991?

If unable to update, consider implementing firewall rules to limit access to vulnerable services as a temporary measure.

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