RHSA-2022:8941: 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: KVM: cmpxchggpte can write to pfns outside the userspace region (CVE-2022-1158) kernel: openvswitch: integer underflow leads to out-of-bounds write in reservesfasize() (CVE-2022-2639) 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): kernel-rt: update RT source tree to the latest RHEL-8.2.z22 Batch (BZ#2138929)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:8941?
The severity of RHSA-2022:8941 is classified as important.
How do I fix RHSA-2022:8941?
To fix RHSA-2022:8941, update the vulnerable kernel-rt packages to version 4.18.0-193.95.1.rt13.146.el8_2 or later.
What vulnerabilities are addressed in RHSA-2022:8941?
RHSA-2022:8941 addresses CVE-2022-1158 related to the KVM component of the Linux kernel.
What systems are affected by RHSA-2022:8941?
RHSA-2022:8941 affects systems utilizing the kernel-rt package versions prior to 4.18.0-193.95.1.rt13.146.el8_2.
Is a reboot required after applying RHSA-2022:8941?
Yes, a reboot is typically required to apply the security fixes included in RHSA-2022:8941.