RHSA-2025:16582 — Security Advisory
Red Hat Security Advisory: kpatch-patch-4_18_0-553_16_1, kpatch-patch-4_18_0-553_30_1, kpatch-patch-4_18_0-553_40_1, kpatch-patch-4_18_0-553_53_1, and kpatch-patch-4_18_0-553_72_1 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · September 24, 2025
Updated · October 29, 2026
Topic
An update for multiple packages is now available for Red Hat Enterprise Linux 8.
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.
Description
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-4.18.0-553.16.1.el8_10.
Security Fix(es):
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kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (CVE-2025-37890)
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kernel: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (CVE-2025-38001)
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kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (CVE-2025-38000)
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kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)
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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.