RHSA-2022:7338: Important: kernel-rt security and bug fix update

First published: Wed Nov 02 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> A use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)</li> <li> RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900)</li> <li> Branch Type Confusion (non-retbleed) (CVE-2022-23825)</li> <li> Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)</li> <li> Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)</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> Update to the latest RHEL7.9.z18 source tree (BZ#2117337)</li>

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