CVEvulnerability
CVE-2026-23408
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-01
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-415
Description
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 contains an ns_name in
1089 } else if (ent->ns_name) {
then ns_name is assigned the ent->ns_name
1095 ns_name = ent->ns_name;
however ent->ns_name is freed at
1262 aa_load_ent_free(ent);
and then again when freeing ns_name at
1270 kfree(ns_name);
Fix this by NULLing out ent->ns_name after it is transferred to ns_name
")
Affected configurations
• linux linux kernel (>= 5.5.1 < 5.10.253)
• linux linux kernel (>= 5.11 < 5.15.203)
• linux linux kernel (>= 5.16 < 6.1.169)
• linux linux kernel (>= 6.2 < 6.6.130)
• linux linux kernel (>= 6.7 < 6.12.77)
• linux linux kernel (>= 6.13 < 6.18.18)
• linux linux kernel (>= 6.19 < 6.19.8)
• linux linux kernel 5.5
• linux linux kernel 7.0
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://git.kernel.org/stable/c/18b5233e860c294a847ee07869d93c0b8673a54b Patch
- https://git.kernel.org/stable/c/35f4caec1352054b9a61cfdf2bf1898073637aa0 Patch
- https://git.kernel.org/stable/c/55ef2af7490aaf72f8ffe11ec44c6bcb7eb2162a Patch
- https://git.kernel.org/stable/c/5df0c44e8f5f619d3beb871207aded7c78414502 Patch
- https://git.kernel.org/stable/c/7998ab3010d2317643f91828f1853d954ef31387 Patch
- https://git.kernel.org/stable/c/86feeccd6b93ed94bd6655f30de80f163f8d5a45 Patch
- https://git.kernel.org/stable/c/c053ae381ce227577567d1ef10090ce7506d7a28 Patch
- https://git.kernel.org/stable/c/c6347a2116ecccb8fd9ee4ebc75ae41d1d7ef689 Patch