RHSA-2025:12752 — Security Advisory

Red Hat Security Advisory: kernel security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · August 5, 2025

Updated · October 30, 2026

Topic

An update for kernel 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

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

Security Fix(es):

kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() (CVE-2025-21928)
kernel: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (CVE-2025-22020)
kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc (CVE-2025-37890)
kernel: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done (CVE-2025-38052)
kernel: crypto: algif_hash - fix double free in hash_accept (CVE-2025-38079)
kernel: ext4: avoid resizing to a partial cluster size (CVE-2022-50020)

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.