What is RHSA-2026:0643?

RHSA-2026:0643 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-2026:0643 cover?

RHSA-2026:0643 covers the following CVE IDs: CVE-2023-53322, CVE-2023-53675, CVE-2025-38051, CVE-2025-39971, CVE-2025-39973, CVE-2025-68285. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:0643?

RHSA-2026:0643 has a CVSS v3 base score of 7.6, published by Red Hat Product Security.

RHSA-2026:0643HighCVSS 7.6

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

January 15, 2026

Last Modified

June 29, 2026

🔗 CVE IDs covered (6)

CVE-2023-53322 →CVE-2023-53675 →CVE-2025-38051 →CVE-2025-39971 →CVE-2025-39973 →CVE-2025-68285 →

📋 Description

CVE-2023-53322 — kernel: scsi: qla2xxx: Wait for io return on terminate rport CVE-2023-53675 — kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses CVE-2025-38051 — kernel: smb: client: Fix use-after-free in cifs_fill_dirent CVE-2025-39971 — kernel: i40e: fix idx validation in config queues msg CVE-2025-39973 — kernel: i40e: add validation for ring_len param CVE-2025-68285 — kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

🔗 References (8)

selfhttps://access.redhat.com/errata/RHSA-2026:0643
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2373329
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2395891
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2402293
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2404108
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2422801
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0643.json