What is RHSA-2026:5691?

RHSA-2026:5691 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-2026:5691 cover?

RHSA-2026:5691 covers the following CVE IDs: CVE-2023-53539, CVE-2025-38024, CVE-2025-40240, CVE-2025-71085. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:5691?

RHSA-2026:5691 has a CVSS v3 base score of 7.5, published by Red Hat Product Security.

RHSA-2026:5691MediumCVSS 7.5

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

March 25, 2026

Last Modified

June 29, 2026

🔗 CVE IDs covered (4)

CVE-2023-53539 →CVE-2025-38024 →CVE-2025-40240 →CVE-2025-71085 →

📋 Description

CVE-2023-53539 — kernel: RDMA/rxe: Fix incomplete state save in rxe_requester CVE-2025-38024 — kernel: Linux kernel: RDMA/rxe use-after-free vulnerability leading to potential arbitrary code execution CVE-2025-40240 — kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-71085 — kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:5691
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2373354
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2401510
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2418832
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2429026
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5691.json