CVE-2021-47445
drm/msm: Fix null pointer dereference on pointer edp
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
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")
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.0
References 8
git.kernel.org
- stable/c/f175b9a83e5c252d7c74acddc792840016caae0a
- stable/c/bacac7d26849c8e903ceb7466d9ce8dc3c2797eb
- stable/c/0cd063aa0a09822cc1620fc59a67fe2f9f6338ac
- stable/c/7f642b93710b6b1119bdff90be01e6b5a2a5d669
- stable/c/f302be08e3de94db8863a0b2958b2bb3e8e998e6
- stable/c/91a340768b012f5b910a203a805b97a345b3db37
- stable/c/46c8ddede0273d1d132beefa9de8b820326982be
- stable/c/2133c4fc8e1348dcb752f267a143fe2254613b34