RHSA-2025:22066 — Security Advisory

An update for kernel 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 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: ALSA: usb-audio: Validate UAC3 power domain descriptors, too (CVE-2025-38729)

• kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors (CVE-2025-39757)

• kernel: x86/vmscape: Add conditional IBPB mitigation (CVE-2025-40300)

• kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp (CVE-2023-53297)

• kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)

• kernel: cifs: fix oops during encryption (CVE-2022-50341)

• kernel: ip6mr: Fix skb_under_panic in ip6mr_cache_report() (CVE-2023-53365)

• kernel: RDMA/mlx5: Fix mlx5_ib_get_hw_stats when used for device (CVE-2023-53393)

• kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values (CVE-2022-50403)

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.