RHSA-2025:3894 — Security Advisory

Red Hat Security Advisory: kernel-rt security update

Loading…

Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · April 15, 2025

Updated · October 29, 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: xen: Xen hypercall page unsafe against speculative attacks (Xen Security Advisory 466) (CVE-2024-53241)

  • kernel: ALSA: usb-audio: Fix out of bounds reads when finding clock sources (CVE-2024-53150)

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.

Related CVEs

RHSA-2025:3894 — Red Hat Security Advisory: kernel-rt security update | PulseLinux