An update for kernel-rt is now available for Red Hat Enterprise Linux 8.4
 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of
 Important. 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-rt packages provide the Real Time Linux Kernel, which enables
 fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init()
 function (CVE-2024-1086)

* kernel: net: bridge: data races indata-races in br_handle_frame_finish()
 (CVE-2023-52578)

Bug Fix(es):

* kernel-rt: update RT source tree to the latest RHEL-8.4.z Batch 25
 (JIRA:RHEL-36724)

* [RHEL-8.4] kernel-rt-debug: BUG: sleeping function called from invalid
 context at kernel/locking/rtmutex.c:968 (JIRA:RHEL-8758)

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.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2023-52578: Concurrent Execution using Shared Resource with Improper
 Synchronization ('Race Condition') (CWE-362)
CVE-2024-1086: Use After Free (CWE-416)