RHSA-2022:2189: Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: use-after-free in RDMA listen() (CVE-2021-4028) kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) kernel: cgroups v1 releaseagent feature may allow privilege escalation (CVE-2022-0492) 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:2189?
The severity of RHSA-2022:2189 is classified as important due to vulnerabilities in the Linux kernel.
How do I fix RHSA-2022:2189?
To fix RHSA-2022:2189, update your kernel package to version 3.10.0-514.101.1.el7 or later.
What vulnerabilities are addressed in RHSA-2022:2189?
RHSA-2022:2189 addresses vulnerabilities including a use-after-free in RDMA listen() and a reference check for file descriptors.
Which systems are affected by RHSA-2022:2189?
RHSA-2022:2189 affects systems using specific versions of the Red Hat kernel packages.
Is there a need to restart after applying RHSA-2022:2189?
Yes, a restart is typically required after applying the kernel update in RHSA-2022:2189 to ensure the changes take effect.