RHSA-2024:2846 — Security Advisory

Red Hat Security Advisory: kernel-rt security and bug fix update

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Severity

Moderate

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · May 15, 2024

Updated · August 5, 2026

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

kernel: untrusted VMM can trigger int80 syscall handling (CVE-2024-25744)
kernel: netfilter: nftables: exthdr: fix 4-byte stack OOB write (CVE-2023-52628)

Bug Fix(es):

kernel-rt: kernel: untrusted VMM can trigger int80 syscall handling (JIRA:RHEL-30421)
kernel-rt: kernel: netfilter: nftables: exthdr: fix 4-byte stack OOB write (JIRA:RHEL-31093)
kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-34746)

Related CVEs

CVE-2023-52628 ↗CVE-2024-25744 ↗