RHSA-2022:5937: Moderate: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)</li> <li> Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)</li> <li> Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)</li> 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.<br>Bug Fix(es):<br><li> SolarFlare sfc spurious TX completion (BZ#1793280)</li> <li> Page allocation failure on cryptsetup open (BZ#2072970)</li> <li> The kernel-rt crashes where one task is indefinitely looping in startcfsbandwidth() with the cfsb-&gt;lock spinlock being held (BZ#2077346)</li> <li> While using PTimekeeper the qede driver produces excessive log messages (BZ#2080646)</li> <li> The kernel crashes due to a GPF happens in mutexspinonowner(). The known RDMA/cma bug that was introduced with a patch from upstream commit 722c7b2bfead is the possible cause. (BZ#2085425)</li> <li> Running LTP testcase creat09 fails showing related to 'cve-2018-13405' (BZ#2089360)</li> <li> Crash when releasing inode which was on unmouted superblock (BZ#2096884)</li>