Riskcovery

CVE-2021-47445

drm/msm: Fix null pointer dereference on pointer edp

State
Published
Severity
Not scored
Published
May 22, 2024
Updated
May 11, 2026
Reserved
May 21, 2024

Read the record on cve.org

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")

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before f175b9a83e5c252d7c74acddc792840016caae0aAffected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before bacac7d26849c8e903ceb7466d9ce8dc3c2797ebAffected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before 0cd063aa0a09822cc1620fc59a67fe2f9f6338acAffected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before 7f642b93710b6b1119bdff90be01e6b5a2a5d669Affected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before f302be08e3de94db8863a0b2958b2bb3e8e998e6Affected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before 91a340768b012f5b910a203a805b97a345b3db37Affected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before 46c8ddede0273d1d132beefa9de8b820326982beAffected
  • ab5b0107ccf3821a6837b0f2819270d6fa0b278f to before 2133c4fc8e1348dcb752f267a143fe2254613b34Affected
LinuxLinux
  • 4.0Affected
  • before 4.0Not affected
  • 4.4.290 through 4.4.*Not affected
  • 4.9.288 through 4.9.*Not affected
  • 4.14.252 through 4.14.*Not affected
  • 4.19.213 through 4.19.*Not affected
  • 5.4.155 through 5.4.*Not affected
  • 5.10.75 through 5.10.*Not affected
  • 5.14.14 through 5.14.*Not affected
  • 5.15 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.