RHSA-2025:18932 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 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: nfsd: don't ignore the return code of svc_proc_register() (CVE-2025-22026)

• kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)

• kernel: net: usb: smsc75xx: Limit packet length to skb->len (CVE-2023-53125)

• kernel: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 (CVE-2022-50228)

• kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)

• kernel: HID: core: Harden s32ton() against conversion to 0 bits (CVE-2025-38556)

• kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)

• kernel: ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control (CVE-2025-39751)

• kernel: Bluetooth: L2CAP: Fix use-after-free (CVE-2023-53305)

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.