Copyright © 2012 Red Hat, Inc. All rights reserved. 2026-05-27T00:00:00 kernel: apparmor: fix NULL sock in aa_sock_file_perm CWE-476

A flaw was found in the Linux kernel's AppArmor security module. This vulnerability allows a local attacker to trigger a NULL pointer dereference during socket setup or teardown operations. This can lead to a kernel 'oops', resulting in a system crash and a Denial of Service (DoS).

Red Hat Enterprise Linux 10 Not affected kernel Red Hat Enterprise Linux 6 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel-rt Red Hat Enterprise Linux 8 Not affected kernel Red Hat Enterprise Linux 8 Not affected kernel-rt Red Hat Enterprise Linux 9 Not affected kernel Red Hat Enterprise Linux 9 Not affected kernel-rt https://www.cve.org/CVERecord?id=CVE-2026-45848 https://nvd.nist.gov/vuln/detail/CVE-2026-45848 https://lore.kernel.org/linux-cve-announce/2026052707-CVE-2026-45848-b001@gregkh/T