What is RHSA-2026:6164?

RHSA-2026:6164 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: kernel security update

Which CVE IDs does RHSA-2026:6164 cover?

RHSA-2026:6164 covers the following CVE IDs: CVE-2025-68800, CVE-2026-23209, CVE-2024-56645, CVE-2025-40096. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:6164?

RHSA-2026:6164 has a CVSS v3 base score of 7.3, published by Red Hat Product Security.

RHSA-2026:6164MediumCVSS 7.3

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

March 30, 2026

Last Modified

June 8, 2026

🔗 CVE IDs covered (4)

CVE-2025-68800 →CVE-2026-23209 →CVE-2024-56645 →CVE-2025-40096 →

📋 Description

CVE-2024-56645 — kernel: can: j1939: j1939_session_new(): fix skb reference counting CVE-2025-40096 — kernel: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies CVE-2025-68800 — kernel: mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats CVE-2026-23209 — kernel: macvlan: fix error recovery in macvlan_common_newlink()

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:6164
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2334560
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2407333
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2429065
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2439900
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_6164.json