CVEvulnerability
CVE-2021-47445
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-22
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 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:
drm/msm: Fix null pointer dereference on pointer edp
The initialization of pointer dev dereferences pointer edp before
edp is null checked, so there is a potential null pointer deference
issue. Fix this by only dereferencing edp after edp has been null
checked.
Addresses-Coverity: ("Dereference before null check")
Affected configurations
• linux linux kernel (>= 4.0 < 4.4.290)
• linux linux kernel (>= 4.5 < 4.9.288)
• linux linux kernel (>= 4.10 < 4.14.252)
• linux linux kernel (>= 4.15 < 4.19.213)
• linux linux kernel (>= 4.20 < 5.4.155)
• linux linux kernel (>= 5.5 < 5.10.75)
• linux linux kernel (>= 5.11 < 5.14.14)
• linux linux kernel 5.15
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac Patch
- https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34 Patch
- https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be Patch
- https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669 Patch
- https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37 Patch
- https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb Patch
- https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a Patch
- https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6 Patch
- https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac Patch
- https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34 Patch
- https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be Patch
- https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669 Patch
- https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37 Patch
- https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb Patch
- https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a Patch
- https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6 Patch