RHSA-2022:6983: Important: kernel security, bug fix, and enhancement update

First published: Tue Oct 18 2022(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>The following packages have been upgraded to a later upstream version: kernel (4.18.0).<br>Security Fix(es):<br><li> A use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)</li> <li> Information leak in the IPv6 implementation (CVE-2021-45485)</li> <li> Information leak in the IPv4 implementation (CVE-2021-45486)</li> <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> DR, Ignore modify TTL if ConnectX-5 doesn't support it (BZ#2075549)</li> <li> execve exit tracepoint not called (BZ#2106663)</li> <li> Unable to boot RHEL-8.6 on Brazos max. config (Install is success) (BZ#2107475)</li> <li> "vmcore failed, _exitcode:139" error observed while capturing vmcore during fadump after memory remove. incomplete vmcore is captured. (BZ#2107490)</li> <li> soft lockups under heavy I/O load to ahci connected SSDs (BZ#2110773)</li> <li> Allow substituting custom vmlinux.h for the build (BZ#2116407)</li>

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