An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced
 Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

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: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability
 (CVE-2023-4155)

* kernel: bluetooth: bt_sock_ioctl race condition leads to use-after-free in
 bt_sock_recvmsg (CVE-2023-51779)

* kernel: wifi: mac80211: fix potential key use-after-free (CVE-2023-52530)

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-2023-4155: Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)
CVE-2023-51779: Use After Free (CWE-416)
CVE-2023-52530: Use After Free (CWE-416)