RHSA-2025:16538 — Security Advisory

An update for kpatch-patch-5_14_0-570_17_1 is now available for Red Hat Enterprise Linux 9.

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.

This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-5.14.0-570.17.1.el9_6.

Security Fix(es):

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

• kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (CVE-2025-38001)

• kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (CVE-2025-38000)

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

• kernel: i2c/designware: Fix an initialization issue (CVE-2025-38380)

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.