RHSA-2022:0620: 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: Use After Free in unixgc() which could result in a local privilege escalation (CVE-2021-0920) kernel: xfs: raw block device data leak in XFSIOCALLOCSP IOCTL (CVE-2021-4155) kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330) kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942) kernel: out of bounds write in hid-multitouch.c may lead to escalation of privilege (CVE-2020-0465) kernel: double free in bluetooth subsystem when the HCI device initialization fails (CVE-2021-3564) kernel: use-after-free in function hcisockboundioctl() (CVE-2021-3573) kernel: possible use-after-free in bluetooth module (CVE-2021-3752) 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): Kernel with enabled BERT does not decode CPU fatal events correctly (BZ#1950302) RHEL 7.9 - Call trace seen during controller random reset on IB config (BZ#1984070) Infinite loop in blksetqueuedying() from blkqueueforeachrl() when another CPU races and modifies the queue's blkglist (BZ#2029574) NFS client kernel crash in NFS4 backchannel transmit path - ftraceraweventrpctaskqueued called from rpcrunbctask (BZ#2039508) SELinux is preventing / from mount access on the filesystem /proc (BZ#2040196)