RHSA-2022:1455: Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) kernel: cgroups v1 releaseagent feature may allow privilege escalation (CVE-2022-0492) kernel: heap out of bounds write in nfdupnetdev.c (CVE-2022-25636) 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 Fixes: Power10 PMU fix for PMCYC/PMINSTCMPL ( kernel/perf) (BZ#2040665) call traces and packet drops seen after changing mtu of ibmvnic interface. (ibmvnic/ P10/ Everglade) (BZ#2050679) zfcp: fix failed recovery on gone remote port, non-NPIV FCP dev (BZ#2050739) overlay mount fails with ELOOP (Too many levels of symbolic links) (BZ#2053030) Host unable to automatically add namespaces belonging to a new ANA group (BZ#2055466) scheduler updates and fixes [None8.4.0.z] (BZ#2056834) nfreinject calls nfqueueentryfree on an already freed entry->state (BZ#2061445) First Packet Latency impacted by mlx5 warning msg (BZ#2067992) openvswitch connection tracking sends incorrect flow key for some upcalls (BZ#2068477) Backport upstream rcu commits up to v5.10 (BZ#2069819) Packages have been upgraded to a later upstream version: kernel (4.18.0) (BZ#2036932) Enhancement: zcrypt DD: Toleration for new IBM Z Crypto Hardware (BZ#2054097)