What is RHSA-2026:13664?

RHSA-2026:13664 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security update

Which CVE IDs does RHSA-2026:13664 cover?

RHSA-2026:13664 covers the following CVE IDs: CVE-2026-23193, CVE-2026-31402, CVE-2025-71238, CVE-2026-23097. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:13664?

RHSA-2026:13664 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

RHSA-2026:13664HighCVSS 7.8

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

May 5, 2026

Last Modified

June 17, 2026

🔗 CVE IDs covered (4)

CVE-2026-23193 →CVE-2026-31402 →CVE-2025-71238 →CVE-2026-23097 →

📋 Description

CVE-2025-71238 — kernel: Linux kernel (qla2xxx): Double free vulnerability leads to denial of service and potential privilege escalation. CVE-2026-23097 — kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration CVE-2026-23193 — kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() CVE-2026-31402 — kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

🔗 References (7)

selfhttps://access.redhat.com/errata/RHSA-2026:13664
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2436802
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2439887
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2444398
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2454844
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13664.json