RHSA-2024:3854 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs (CVE-2023-5090)

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

• kernel: kvm: Avoid potential UAF in LPI translation cache (CVE-2024-26598)

• kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667)

Bug Fix:

• kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-38545)

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.