RHSA-2022:5626: Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012) kernel: race condition in perfeventopen leads to privilege escalation (CVE-2022-1729) kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-32250) kernel: cgroup: Use open-time creds and namespace for migration perm checks (CVE-2021-4197) kernel: Race condition in races in skpeerpid and skpeercred accesses (CVE-2021-4203) kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check (CVE-2020-29368) 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 Fix(es): Failed to reboot after crash trigger (BZ#2060747) conntrack entries linger around after test (BZ#2066357) Enable nested virtualization (BZ#2079070) slub corruption during LPM of hnv interface (BZ#2081251) sleeping function called from invalid context at kernel/locking/spinlockrt.c:35 (BZ#2082091) Backport request of "genirq: use rcu in kstatirqsusr()" (BZ#2083309) ethtool -L may cause system to hang (BZ#2083323) For isolated CPUs (with nohzfull enabled for isolated CPUs) CPU utilization statistics are not getting reflected continuously (BZ#2084139) Affinity broken due to vector space exhaustion (BZ#2084647) kernel memory leak while freeing nested actions (BZ#2086597) sync rhel-8.6 with upstream 5.13 through 5.16 fixes and improvements (BZ#2088037) Kernel panic possibly when cleaning namespace on pod deletion (BZ#2089539) Softirq hrtimers are being placed on the per-CPU softirq clocks on isolcpu’s. (BZ#2090485) fix missed wake-ups in rqqosthrottle try two (BZ#2092076) NFS4 client experiencing IO outages while sending duplicate SYNs and erroneous RSTs during connection reestablishment (BZ#2094334) using thiscpuread() in preemptible [00000000] code: kworker/u66:1/937154 (BZ#2095775) Need some changes in RHEL8.x kernels. (BZ#2096932)