RHSA-2022:5633: Important: kernel-rt security and bug fix update

First published: Tue Jul 19 2022(Updated: )

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)</li> <li> kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)</li> <li> kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-32250)</li> <li> kernel: cgroup: Use open-time creds and namespace for migration perm checks (CVE-2021-4197)</li> <li> kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses (CVE-2021-4203)</li> <li> kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check (CVE-2020-29368)</li> 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.<br>Bug Fix(es):<br><li> kernel-rt: update RT source tree to the RHEL-8.4.z10 source tree (BZ#2087922)</li>

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/severity
• agent/weakness
• agent/references
• agent/type
• agent/softwarecombine
• agent/last-modified-date
• agent/first-publish-date
• agent/remedy
• agent/title
• agent/description
• agent/tags
• agent/event
• collector/redhat-errata
• source/Red Hat
• anchor-id/RHSA-2022:5633
• agent/software-canonical-lookup
• package-manager/redhat