RHSA-2021:2185: 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: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466) kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362) kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374) kernel: DoS by corrupting mountpoint reference counter (CVE-2020-12114) 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): RHEL8.3 - Include patch: powerpc/pci: Remove LSI mappings on device teardown (xive/pci) (BZ#1931925) RHEL8.2 - [P10][Denali] System crash during a perf sanity test (perf:) (BZ#1933995) [RHEL 8.1] AMD/EPYC nested guest virtualization L1 guest crash (BZ#1945404) [HPEMC 8.1 REGRESSION] skxuncore: probe of 0008:80:08.0 failed with error -22 (BZ#1947114) iperf3 over geneve created on vlan would fail (BZ#1947979) [Azure][RHEL-8]Mellanox Patches To Prevent Kernel Hang In MLX4 (BZ#1952071) [HPEMC 8.4 REGRESSION]: perf/x86/intel/uncore kernel panic vulnerability on Haswell and Broadwell servers (BZ#1956685)