RHSA-2022:1198: 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: use-after-free in RDMA listen() (CVE-2021-4028) kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) 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): Adding new kernel entry in grub configuration file only after generation of new initramfs (BZ#1893756) Cannot mount DFS shares on RHEL7 (BZ#1937304) RHEL7.9 - zcrypt DD: Toleration for new IBM Z Crypto Hardware (BZ#1997156) kernel panic at skbfreedatagramlocked on 3.10.0-1160.45.1.el7 (BZ#2028740) Lots of tasks are getting stuck in I/O wait waiting on the bufferhead locked by the task that is busy shrinking slab for freeing pages - 3 patches to fs/buffer.c (BZ#2030609) [RHEL 7.9 Bug] x86/platform/uv: Add more to secondary CPU kdump info (BZ#2042462) REGRESSION System panicking in kmalloc+0x94 from a freelist issue introduced by a block patch. (BZ#2054743) Enhancement(s): RHEL7.9 - kernel: Add support for CPU-MF counter second version 7 (BZ#2048920)