RHSA-2025:13946 — Security Advisory

Red Hat Security Advisory: kernel security update

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Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · August 18, 2025

Updated · November 2, 2026

Topic

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 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.

Description

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

Security Fix(es):

kernel: quota: Fix potential NULL pointer dereference (CVE-2024-26878)
kernel: USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor (CVE-2024-41035)
kernel: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (CVE-2025-22020)
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: ch9200: fix uninitialised access during mii_nway_restart (CVE-2025-38086)

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.