CVE-2022-50535

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix potential null-deref in dm_resume

[Why] Fixing smatch error: dm_resume() error: we previously assumed 'aconnector->dc_link' could be null

[How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe0082f71e5d2481ce59d49dbfd3677f5fdc85836 < fd79b61af2782f8875c78f50cdb8630ec43e2990affected
LinuxLinuxdd9b4b435a56a7a29c7d1ccc6479847354842255 < d236103782de25736996a45bd36ac2a89bdc93c6affected
LinuxLinux4b44cd5840577479ee6ed387371dd1d1252ca921 < 9f73793b81637c60ccc83cc508645310b8ab7d80affected
LinuxLinux6a03581ccffa571bfa1a9f3a097e1a4d7164fd2d < bb9a5562beb982aa5ebb73c521c49596ff8b8030affected
LinuxLinuxf4346fb3edf7720db3f7f5e1cab1f667cd024280 < 8e365f1bd672cc9320a936f6ae6f8087aa40e9bcaffected
LinuxLinuxf4346fb3edf7720db3f7f5e1cab1f667cd024280 < 00b655fa96b4e941351cc4bf5ca755a65ae94a8eaffected
LinuxLinuxf4346fb3edf7720db3f7f5e1cab1f667cd024280 < 7a7175a2cd84b7874bebbf8e59f134557a34161baffected
LinuxLinux2983416458b2e09f7246e8e55df78ccf5968693baffected
LinuxLinux4.19.239 < 4.19.276affected
LinuxLinux5.4.190 < 5.4.235affected
LinuxLinux5.10.112 < 5.10.173affected
LinuxLinux5.15.35 < 5.15.99affected
LinuxLinux5.17.4 < 5.18affected
LinuxLinux5.18affected
LinuxLinux0 < 5.18unaffected
LinuxLinux4.19.276 <= 4.19.*unaffected
LinuxLinux5.4.235 <= 5.4.*unaffected
LinuxLinux5.10.173 <= 5.10.*unaffected
LinuxLinux5.15.99 <= 5.15.*unaffected
LinuxLinux6.1.16 <= 6.1.*unaffected
LinuxLinux6.2.3 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References