RHSA-2023:0400: Important: kernel-rt security and bug fix update
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: memory corruption in AX88179178A based USB ethernet device. (CVE-2022-2964)</li> <li> hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)</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> kernel-rt: update to the latest RHEL7.9.z20 source tree (BZ#2152044)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:0400?
The severity of RHSA-2023:0400 is classified as important.
How do I fix RHSA-2023:0400?
To fix RHSA-2023:0400, update the affected kernel-rt packages to the version 3.10.0-1160.83.1.rt56.1228.el7 or later.
What vulnerabilities are addressed in RHSA-2023:0400?
RHSA-2023:0400 addresses memory corruption vulnerabilities in AX88179_178A based USB ethernet devices and issues with LFENCE.
Which packages are affected by RHSA-2023:0400?
Affected packages include various kernel-rt packages such as kernel-rt, kernel-rt-debug, and kernel-rt-trace.
How can I verify if my system is affected by RHSA-2023:0400?
You can verify if your system is affected by checking if any of the installed kernel-rt packages are prior to version 3.10.0-1160.83.1.rt56.1228.el7.