What is RHSA-2026:38491?

RHSA-2026:38491 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Which CVE IDs does RHSA-2026:38491 cover?

RHSA-2026:38491 covers the following CVE IDs: CVE-2026-22979, CVE-2026-43499, CVE-2026-46086, CVE-2026-53016, CVE-2026-53166. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:38491?

RHSA-2026:38491 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

RHSA-2026:38491HighCVSS 7.8

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Vendor

Red Hat Product Security

Published

July 13, 2026

Last Modified

July 15, 2026

🔗 CVE IDs covered (5)

CVE-2026-22979 →CVE-2026-43499 →CVE-2026-46086 →CVE-2026-53016 →CVE-2026-53166 →

📋 Description

CVE-2026-22979 — kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling CVE-2026-43499 — kernel: rtmutex: Use waiter::task instead of current in remove_waiter() CVE-2026-46086 — kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-53016 — kernel: crypto: ccp - copy IV using skcipher ivsize CVE-2026-53166 — kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock

🔗 References (8)

selfhttps://access.redhat.com/errata/RHSA-2026:38491
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2432402
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2480453
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2481989
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2492269
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2492805
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_38491.json