RHSA-2023:3847 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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] (BZ#2189595)

• 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)