What is RHSA-2026:4243?

RHSA-2026:4243 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-2026:4243 cover?

RHSA-2026:4243 covers the following CVE IDs: CVE-2025-38129, CVE-2025-40269. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:4243?

RHSA-2026:4243 has a CVSS v3 base score of 7.3, published by Red Hat Product Security.

RHSA-2026:4243MediumCVSS 7.3

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

March 11, 2026

Last Modified

July 12, 2026

🔗 CVE IDs covered (2)

CVE-2025-38129 →CVE-2025-40269 →

📋 Description

CVE-2025-38129 — kernel: Linux kernel: Use-after-free vulnerability in page_pool_recycle_in_ring can lead to arbitrary code execution CVE-2025-40269 — kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:4243
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2376034
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2419919
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4243.json