RHSA-2022:5565: 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.Security Fix(es): kernel: race condition in perfeventopen leads to privilege escalation (CVE-2022-1729) 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.Bug Fix(es): The latest RHEL 8.6.z1 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2098244)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:5565?
The severity of RHSA-2022:5565 is classified as important.
How do I fix RHSA-2022:5565?
To fix RHSA-2022:5565, update the kernel-rt packages to version 4.18.0-372.16.1.rt7.173.el8_6.
What vulnerability does RHSA-2022:5565 address?
RHSA-2022:5565 addresses a race condition in perf_event_open that can lead to privilege escalation (CVE-2022-1729).
Which systems are affected by RHSA-2022:5565?
RHSA-2022:5565 affects systems running the kernel-rt packages prior to version 4.18.0-372.16.1.rt7.173.el8_6.
Is there a workaround for RHSA-2022:5565?
There are no known workarounds for RHSA-2022:5565; updating to the fixed version is the recommended action.