What is RHSA-2026:1879?

RHSA-2026:1879 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-2026:1879 cover?

RHSA-2026:1879 covers the following CVE IDs: CVE-2025-38051, CVE-2025-40096, CVE-2025-40248, CVE-2025-40251, CVE-2025-68301. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:1879?

RHSA-2026:1879 has a CVSS v3 base score of 7.1, published by Red Hat Product Security.

RHSA-2026:1879HighCVSS 7.1

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

February 4, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (5)

CVE-2025-38051 →CVE-2025-40096 →CVE-2025-40248 →CVE-2025-40251 →CVE-2025-68301 →

📋 Description

CVE-2025-38051 — kernel: smb: client: Fix use-after-free in cifs_fill_dirent CVE-2025-40096 — kernel: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies CVE-2025-40248 — kernel: Linux kernel: vsock vulnerability may lead to memory corruption CVE-2025-40251 — kernel: devlink: rate: Unset parent pointer in devl_rate_nodes_destroy CVE-2025-68301 — kernel: net: atlantic: fix fragment overflow handling in RX path

🔗 References (8)

selfhttps://access.redhat.com/errata/RHSA-2026:1879
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=2407333
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2418872
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2418892
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2422836
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1879.json