CVEvulnerability
CVE-2021-47307
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2024-05-21
- Last modified
- 2026-08-04
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
In the Linux kernel, the following vulnerability has been resolved:
cifs: prevent NULL deref in cifs_compose_mount_options()
The optional @ref parameter might contain an NULL node_name, so
prevent dereferencing it in cifs_compose_mount_options().
Addresses-Coverity: 1476408 ("Explicit null dereferenced")
Affected configurations
• linux linux kernel (< 5.4.135)
• linux linux kernel (>= 5.5 < 5.10.53)
• linux linux kernel (>= 5.11 < 5.13.5)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/03313d1c3a2f086bb60920607ab79ac8f8578306 Patch
- https://git.kernel.org/stable/c/ae3d181f4e912f51af7776ea165f199b16fc165d Patch
- https://git.kernel.org/stable/c/e58c162789becede894d3e94c0ce6695a2ef5796 Patch
- https://git.kernel.org/stable/c/f7d1fa65e74263d11f90ddd33b4d4cd905a93759 Patch
- https://git.kernel.org/stable/c/03313d1c3a2f086bb60920607ab79ac8f8578306 Patch
- https://git.kernel.org/stable/c/ae3d181f4e912f51af7776ea165f199b16fc165d Patch
- https://git.kernel.org/stable/c/e58c162789becede894d3e94c0ce6695a2ef5796 Patch
- https://git.kernel.org/stable/c/f7d1fa65e74263d11f90ddd33b4d4cd905a93759 Patch