CVE-2021-47445

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")

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < f175b9a83e5c252d7c74acddc792840016caae0aaffected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < bacac7d26849c8e903ceb7466d9ce8dc3c2797ebaffected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < 0cd063aa0a09822cc1620fc59a67fe2f9f6338acaffected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < 7f642b93710b6b1119bdff90be01e6b5a2a5d669affected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < f302be08e3de94db8863a0b2958b2bb3e8e998e6affected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < 91a340768b012f5b910a203a805b97a345b3db37affected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < 46c8ddede0273d1d132beefa9de8b820326982beaffected
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f < 2133c4fc8e1348dcb752f267a143fe2254613b34affected
LinuxLinux4.0affected
LinuxLinux0 < 4.0unaffected
LinuxLinux4.4.290 <= 4.4.*unaffected
LinuxLinux4.9.288 <= 4.9.*unaffected
LinuxLinux4.14.252 <= 4.14.*unaffected
LinuxLinux4.19.213 <= 4.19.*unaffected
LinuxLinux5.4.155 <= 5.4.*unaffected
LinuxLinux5.10.75 <= 5.10.*unaffected
LinuxLinux5.14.14 <= 5.14.*unaffected
LinuxLinux5.15 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References