RHSA-2022:5236: 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: race condition in perfeventopen leads to privilege escalation (CVE-2022-1729)</li> <li> kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)</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.z15 source tree (BZ#2081074)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:5236?
The severity of RHSA-2022:5236 is classified as important due to a privilege escalation vulnerability.
How do I fix RHSA-2022:5236?
To fix RHSA-2022:5236, you should update the kernel-rt packages to version 3.10.0-1160.71.1.rt56.1212.el7 or later.
What vulnerabilities are addressed in RHSA-2022:5236?
RHSA-2022:5236 addresses a race condition in perf_event_open that could lead to privilege escalation.
Which packages are affected by RHSA-2022:5236?
Affected packages include kernel-rt, kernel-rt-debug, kernel-rt-trace, and other related kernel-rt packages in Red Hat Enterprise Linux 7.
What should I do if I cannot update for RHSA-2022:5236?
If you cannot update, you should consider implementing workarounds to mitigate the risk associated with the privilege escalation vulnerability.