Vulnerability in Linux
CVE-2026-23408
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix double free of ns_name in aa_replace_profiles() if ns_name is NULL after 1071 error = aa_unpack(udata, &lh, &ns_name); and if ent->ns_name contain…
EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 145a0ef21c8e944957f58e2c8ffcd8a10f46266a, 5.5, 0
References
- git.kernel.org/stable/c/c6347a2116ecccb8fd9ee4ebc75ae41d1d7ef689
- git.kernel.org/stable/c/c053ae381ce227577567d1ef10090ce7506d7a28
- git.kernel.org/stable/c/35f4caec1352054b9a61cfdf2bf1898073637aa0
- git.kernel.org/stable/c/55ef2af7490aaf72f8ffe11ec44c6bcb7eb2162a
- git.kernel.org/stable/c/86feeccd6b93ed94bd6655f30de80f163f8d5a45
- git.kernel.org/stable/c/7998ab3010d2317643f91828f1853d954ef31387
- git.kernel.org/stable/c/18b5233e860c294a847ee07869d93c0b8673a54b
- git.kernel.org/stable/c/5df0c44e8f5f619d3beb871207aded7c78414502
Frequently asked questions
- What is CVE-2026-23408?
- CVE-2026-23408 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-01.
- How severe is CVE-2026-23408?
- High severity. CVSS v3 base score is 7.8 out of 10.