Vulnerabilities > CVE-2021-47445 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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")
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
- https://git.kernel.org/stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
- https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34
- https://git.kernel.org/stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34
- https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be
- https://git.kernel.org/stable/c/46c8ddede0273d1d132beefa9de8b820326982be
- https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
- https://git.kernel.org/stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
- https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37
- https://git.kernel.org/stable/c/91a340768b012f5b910a203a805b97a345b3db37
- https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
- https://git.kernel.org/stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
- https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
- https://git.kernel.org/stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
- https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6
- https://git.kernel.org/stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6