RHSA-2021:3447: 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: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576) kernel: slab-out-of-bounds access in xdrsetpagebase() in net/sunrpc/xdr.c (CVE-2021-38201) 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): Update Broadcom Emulex lpfc driver for RHEL8.5 with bug fixes (BZ#1948608) cyclictest shows >50us latency when guest enters idle (RT guest with 18 RT vCPUs) (BZ#1981336) xfrm: backports from upstream (BZ#1981840) A task is stuck waiting for the completion of the vmciresouce releasing upon the balloon reset. (BZ#1982042) [mlx5] backport driver bits of net: zero-initialize tc skb extension on allocation (BZ#1982220) Kernel cannot kill a process doing compaction for hugepage allocation (BZ#1984085) RHEL8.4 Nightly[0108] - [P10] [Regression] Kdump failed on RHEL8.4 on SAN disk via flavafish adapter (qla2xxx/HPT/Radix) (BZ#1986156) [RHEL8.5] scheduler updates and fixes (BZ#1987296) RHEL 8.3 using FCOE via a FastLinQ QL45000 card will not manually scan in LUN from Targetid's over 8 (BZ#1989097) fixes for oopses in security mitigation runtime code patching (BZ#1989174) act mirred doesn't scrub packets when sending them to ingress (BZ#1992226) HPE: Cannot install 8.4 using the DVD presented to the iLO (BZ#1993894) NFS client hangs on share listing when server side readdir verifiers are implemented (BZ#1993895) SNO: The load is extremely high (~870) when pao is added and a profile is applied. (BZ#1994879) timeout value of conntrack entry with TCP ESTABLISHED status is too short (BZ#1995554) Increase the default value for flowtable offload timeouts (BZ#1995555) ice/iavf driver stop responding (BZ#1997534) [FJ8.4 Bug]: [REG] Some files in /proc/sys/user show wrong data (BZ#1998002)