RHSA-2023:0187: Moderate: kernel security update

Published Jan 17, 2023
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401) 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

30 affected componentsFixes available
redhat/kernel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-abi-whitelists<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debug<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debug-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debug-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debug-devel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debug-devel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debuginfo-common-i686<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-devel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-doc<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-firmware<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-headers<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/perf<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/perf-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/perf-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/python-perf<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/python-perf-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/python-perf-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debug<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-devel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-headers<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/perf<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/python-perf<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-debuginfo-common-s390x<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-kdump<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-kdump-debuginfo<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6
redhat/kernel-kdump-devel<2.6.32-754.49.1.el6
2.6.32-754.49.1.el6

Remediation

Event History

Jan 17, 2023
Advisory Published
via Red Hat·12:00 AM
Free Weekly Intel

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Frequently Asked Questions

1

What is the severity of RHSA-2023:0187?

The severity of RHSA-2023:0187 is classified as moderate.

2

How do I fix RHSA-2023:0187?

To resolve RHSA-2023:0187, update the kernel packages to version 2.6.32-754.49.1.el6.

3

What vulnerabilities are addressed in RHSA-2023:0187?

RHSA-2023:0187 addresses the LFENCE/JMP Mitigation Update for CVE-2017-5715 and CVE-2021-26401.

4

Which systems are affected by RHSA-2023:0187?

Systems running kernel version 2.6.32-754.49.1.el6 are affected by RHSA-2023:0187.

5

Is there a reason to apply the update for RHSA-2023:0187?

Yes, applying the update for RHSA-2023:0187 is essential for mitigating security vulnerabilities in the kernel.

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