RHSA-2022:8940: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.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): s390x: bpftrace Could not read symbols from /sys/kernel/debug/tracing/availablefilterfunctions: No such device (BZ#2134808)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:8940?
The severity of RHSA-2022:8940 is classified as important.
How do I fix RHSA-2022:8940?
To fix RHSA-2022:8940, you should update the affected kernel packages to version 4.18.0-193.95.1.el8_2.
Which packages are affected by RHSA-2022:8940?
RHSA-2022:8940 affects various kernel packages, including kernel, kernel-core, and bpftool among others.
What vulnerabilities are addressed in RHSA-2022:8940?
RHSA-2022:8940 addresses vulnerabilities including CVE-2022-1158 related to KVM, and integer underflow in openvswitch.
Is a system reboot required after applying RHSA-2022:8940?
Yes, a system reboot is recommended after applying the updates associated with RHSA-2022:8940.