What is RHSA-2026:6036?

RHSA-2026:6036 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: kernel-rt security update

Which CVE IDs does RHSA-2026:6036 cover?

RHSA-2026:6036 covers the following CVE IDs: CVE-2025-38180, CVE-2026-23204, CVE-2026-23209. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:6036?

RHSA-2026:6036 has a CVSS v3 base score of 7.3, published by Red Hat Product Security.

RHSA-2026:6036MediumCVSS 7.3

Red Hat Security Advisory: kernel-rt security update

Vendor

Red Hat Product Security

Published

March 30, 2026

Last Modified

June 8, 2026

🔗 CVE IDs covered (3)

CVE-2025-38180 →CVE-2026-23204 →CVE-2026-23209 →

📋 Description

CVE-2025-38180 — kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2026-23204 — kernel: net/sched: cls_u32: use skb_header_pointer_careful() CVE-2026-23209 — kernel: macvlan: fix error recovery in macvlan_common_newlink()

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:6036
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2376376
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2439900
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2439931
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6036.json