RHSA-2022:5267: 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: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012) kernel: race condition in perfeventopen leads to privilege escalation (CVE-2022-1729) kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966) kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666) 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-9.0.z1 Batch (BZ#2089492)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:5267?
The severity of RHSA-2022:5267 is classified as important due to the potential for information leakage.
How do I fix RHSA-2022:5267?
To fix RHSA-2022:5267, update the kernel-rt packages to version 5.14.0-70.17.1.rt21.89.el9_0 or later.
Which packages are affected by RHSA-2022:5267?
The affected packages include kernel-rt, kernel-rt-core, and several debug-related kernel-rt packages.
What vulnerabilities are addressed in RHSA-2022:5267?
RHSA-2022:5267 addresses a vulnerability in the TCP source port generation algorithm that can lead to information leak.
What systems are impacted by RHSA-2022:5267?
RHSA-2022:5267 impacts systems running the Real Time Linux Kernel versions before 5.14.0-70.17.1.rt21.89.el9_0.