RHSA-2022:0821: Important: kernel-rt security and bug fix update

First published: Thu Mar 10 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: improper initialization of the "flags" member of the new pipe_buffer (CVE-2022-0847)</li> <li> kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)</li> <li> kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)</li> <li> kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)</li> <li> kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)</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 latest RHEL-8.2.z16 Batch (BZ#2057698)</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/references
• agent/type
• agent/last-modified-date
• agent/softwarecombine
• agent/first-publish-date
• agent/remedy
• agent/title
• agent/weakness
• agent/tags
• agent/description
• agent/event
• collector/redhat-errata
• source/Red Hat
• anchor-id/RHSA-2022:0821
• agent/software-canonical-lookup
• package-manager/redhat