RHSA-2025:14749 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 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: driver: base: fix UAF when driver_attach failed (CVE-2022-49385)

• kernel: nfsd: don't ignore the return code of svc_proc_register() (CVE-2025-22026)

• kernel: tee: amdtee: fix race condition in amdtee_open_session (CVE-2023-53047)

• kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (CVE-2025-37890)

• kernel: ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead (CVE-2022-49977)

• kernel: net: qrtr: start MHI channel after endpoit creation (CVE-2022-50044)

• kernel: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte (CVE-2022-49991)

• kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)

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.