RHSA-2025:13961 — Security Advisory
Red Hat Security Advisory: kernel-rt security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · August 18, 2025
Updated · November 2, 2026
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 8.
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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
-
kernel: drm/vkms: Fix use after free and double free on init error (CVE-2025-22097)
-
kernel: net_sched: ets: Fix double list add in class with netem as child qdisc (CVE-2025-37914)
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kernel: Bluetooth: hci_core: Fix use-after-free in vhci_flush() (CVE-2025-38250)
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.