RHSA-2026:0457 — Security Advisory

Red Hat Security Advisory: kernel security update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · January 12, 2026

Updated · October 30, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.6 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.

Description

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

Security Fix(es):

kernel: Linux kernel: SCTP use-after-free due to race condition in sendmsg (CVE-2025-23142)
kernel: HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() (CVE-2025-39806)
kernel: Bluetooth: MGMT: Fix possible UAFs (CVE-2025-39981)
kernel: Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue (CVE-2025-39983)
kernel: tls: wait for pending async decryptions if tls_strp_msg_hold fails (CVE-2025-40176)
kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths (CVE-2025-68287)

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.