[RHSA-2023:3847] 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: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference (CVE-2023-28466)

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):

• RPL-P IOTG/RPL-S IOTG: cpu frequency issues (BZ#2179332)

• iscsi target deadlocks when the same host acts as an initiator to itself (i.e. connects via 127.0.0.1) (BZ#2182092)

• HPEMC RHEL 8 REGRESSION: acpi-cpufreq: Skip initialization if a cpufreq driver exists (BZ#2186305)

• kernel[-rt]: task deadline_test:2526 blocked for more than 600 seconds. (BZ#2188623)

• Dying percpu kworkers cause issues on isolated CPUs rhel-8

• block layer: cherry pick recent upstream fixes (up to v6.3-rc1) for 8.9 (BZ#2193236)

• xfs: deadlock in xfs_btree_split_worker (BZ#2196390)

• RHEL 8.9 hwpoison: data loss when memory error occurs on hugetlb pagecache (BZ#2196665)

• Intel E810 card unable to create a MACVLAN on interface already configured as SRIOV (BZ#2203214)

• mlxsw: kselftest case -usr-libexec-kselftests-drivers-net-mlxsw-devlink-trap-policer-sh trigger call trace (BZ#2207564)

• Invalid character detected by rpminspect in Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208284)

Enhancement(s):

• Intel 8.9 FEAT SPR power: Intel SST SNC4 support (BZ#2185604)