CVE-2022-50535

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

State: Published
Severity: Not scored
Published: Oct 7, 2025
Updated: Aug 15, 2026
Reserved: Oct 7, 2025

Read the record on cve.org

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e0082f71e5d2481ce59d49dbfd3677f5fdc85836 to before fd79b61af2782f8875c78f50cdb8630ec43e2990Affected dd9b4b435a56a7a29c7d1ccc6479847354842255 to before d236103782de25736996a45bd36ac2a89bdc93c6Affected 4b44cd5840577479ee6ed387371dd1d1252ca921 to before 9f73793b81637c60ccc83cc508645310b8ab7d80Affected 6a03581ccffa571bfa1a9f3a097e1a4d7164fd2d to before bb9a5562beb982aa5ebb73c521c49596ff8b8030Affected f4346fb3edf7720db3f7f5e1cab1f667cd024280 to before 8e365f1bd672cc9320a936f6ae6f8087aa40e9bcAffected f4346fb3edf7720db3f7f5e1cab1f667cd024280 to before 00b655fa96b4e941351cc4bf5ca755a65ae94a8eAffected f4346fb3edf7720db3f7f5e1cab1f667cd024280 to before 7a7175a2cd84b7874bebbf8e59f134557a34161bAffected 2983416458b2e09f7246e8e55df78ccf5968693bAffected 4.19.239 to before 4.19.276Affected 5.4.190 to before 5.4.235Affected 5.10.112 to before 5.10.173Affected 5.15.35 to before 5.15.99Affected 5.17.4 to before 5.18Affected
LinuxLinux	5.18Affected before 5.18Not affected 4.19.276 through 4.19.Not affected 5.4.235 through 5.4.Not affected 5.10.173 through 5.10.Not affected 5.15.99 through 5.15.Not affected 6.1.16 through 6.1.Not affected 6.2.3 through 6.2.Not affected 6.3 and laterNot affected

Product

Versions

LinuxLinux

e0082f71e5d2481ce59d49dbfd3677f5fdc85836 to before fd79b61af2782f8875c78f50cdb8630ec43e2990Affected
dd9b4b435a56a7a29c7d1ccc6479847354842255 to before d236103782de25736996a45bd36ac2a89bdc93c6Affected
4b44cd5840577479ee6ed387371dd1d1252ca921 to before 9f73793b81637c60ccc83cc508645310b8ab7d80Affected
6a03581ccffa571bfa1a9f3a097e1a4d7164fd2d to before bb9a5562beb982aa5ebb73c521c49596ff8b8030Affected
f4346fb3edf7720db3f7f5e1cab1f667cd024280 to before 8e365f1bd672cc9320a936f6ae6f8087aa40e9bcAffected
f4346fb3edf7720db3f7f5e1cab1f667cd024280 to before 00b655fa96b4e941351cc4bf5ca755a65ae94a8eAffected
f4346fb3edf7720db3f7f5e1cab1f667cd024280 to before 7a7175a2cd84b7874bebbf8e59f134557a34161bAffected
2983416458b2e09f7246e8e55df78ccf5968693bAffected
4.19.239 to before 4.19.276Affected
5.4.190 to before 5.4.235Affected
5.10.112 to before 5.10.173Affected
5.15.35 to before 5.15.99Affected
5.17.4 to before 5.18Affected

LinuxLinux

5.18Affected
before 5.18Not affected
4.19.276 through 4.19.*Not affected
5.4.235 through 5.4.*Not affected
5.10.173 through 5.10.*Not affected
5.15.99 through 5.15.*Not affected
6.1.16 through 6.1.*Not affected
6.2.3 through 6.2.*Not affected
6.3 and laterNot affected

References

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