RHSA-2024:6745 — 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: Bluetooth: af_bluetooth: Fix deadlock (CVE-2024-26886)

• kernel: crypto: qat - resolve race condition during AER recovery (CVE-2024-26974)

• kernel: tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc (CVE-2023-52880)

• kernel: cpufreq: exit() callback is optional (CVE-2024-38615)

• kernel: cppc_cpufreq: Fix possible null pointer dereference (CVE-2024-38573)

• kernel: scsi: qedf: Ensure the copied buf is NUL terminated (CVE-2024-38559)

• kernel: ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine." (CVE-2024-40984)

• kernel: sched/deadline: Fix task_struct reference leak (CVE-2024-41023)

• kernel: mm/filemap: skip to create PMD-sized page cache if needed (CVE-2024-41031)

• kernel: mm/shmem: disable PMD-sized page cache if needed (CVE-2024-42241)

• kernel: mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray (CVE-2024-42243)

• kernel: net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket (CVE-2024-42246)

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.