RHSA-2022:7337: Important: kernel security and bug fix update

First published: Wed Nov 02 2022(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<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> lpfc panics in lpfc_els_free_iocb() during port recovery (BZ#1969988)</li> <li> mlx5 reports error messages during shutdown then panic with mce (BZ#2077711)</li> <li> Kernel panic due to hard lockup caused by deadlock between tasklist_lock and k_itimer-&gt;it_lock (BZ#2115147)</li> <li> fix excess double put in nfs_prime_dcache (BZ#2117856)</li>

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