RHSA-2025:11810 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.

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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: drm/amd/display: Implement bounds check for stream encoder creation in DCN301 (CVE-2024-26660)

• kernel: tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc (CVE-2021-47185)

• kernel: nbd: null check for nla_nest_start (CVE-2024-27025)

• kernel: perf/core: Bail out early if the request AUX area is out of bound (CVE-2023-52835)

• kernel: firmware: cs_dsp: Fix overflow checking of wmfw header (CVE-2024-41039)

• kernel: powerpc/pseries: Whitelist dtl slub object for copying to userspace (CVE-2024-41065)

• kernel: usb: xhci: prevent potential failure in handle_tx_event() for Transfer events without TRB (CVE-2024-42226)

• kernel: blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race (CVE-2024-50082)

• kernel: parport: Proper fix for array out-of-bounds access (CVE-2024-50074)

• kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up (CVE-2025-21887)

• kernel: wifi: iwlwifi: limit printed string from FW file (CVE-2025-21905)

• kernel: ext4: avoid journaling sb update on error if journal is destroying (CVE-2025-22113)

• kernel: ibmvnic: Use kernel helpers for hex dumps (CVE-2025-22104)

• kernel: udmabuf: fix a buf size overflow issue during udmabuf creation (CVE-2025-37803)

• kernel: sunrpc: handle SVC_GARBAGE during svc auth processing as auth error (CVE-2025-38089)

• kernel: net/sched: fix use-after-free in taprio_dev_notifier (CVE-2025-38087)

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.