{"id":"CVE-2022-50535","state":"PUBLISHED","title":"drm/amd/display: Fix potential null-deref in dm_resume","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential null-deref in dm_resume\n\n[Why]\nFixing smatch error:\ndm_resume() error: we previously assumed 'aconnector->dc_link' could be null\n\n[How]\nCheck if dc_link null at the beginning of the loop,\nso further checks can be dropped.","publishedAt":"2025-10-07T15:21:02.347Z","updatedAt":"2026-08-15T12:23:36.276Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e0082f71e5d2481ce59d49dbfd3677f5fdc85836","status":"affected","lessThan":"fd79b61af2782f8875c78f50cdb8630ec43e2990","versionType":"git"},{"version":"dd9b4b435a56a7a29c7d1ccc6479847354842255","status":"affected","lessThan":"d236103782de25736996a45bd36ac2a89bdc93c6","versionType":"git"},{"version":"4b44cd5840577479ee6ed387371dd1d1252ca921","status":"affected","lessThan":"9f73793b81637c60ccc83cc508645310b8ab7d80","versionType":"git"},{"version":"6a03581ccffa571bfa1a9f3a097e1a4d7164fd2d","status":"affected","lessThan":"bb9a5562beb982aa5ebb73c521c49596ff8b8030","versionType":"git"},{"version":"f4346fb3edf7720db3f7f5e1cab1f667cd024280","status":"affected","lessThan":"8e365f1bd672cc9320a936f6ae6f8087aa40e9bc","versionType":"git"},{"version":"f4346fb3edf7720db3f7f5e1cab1f667cd024280","status":"affected","lessThan":"00b655fa96b4e941351cc4bf5ca755a65ae94a8e","versionType":"git"},{"version":"f4346fb3edf7720db3f7f5e1cab1f667cd024280","status":"affected","lessThan":"7a7175a2cd84b7874bebbf8e59f134557a34161b","versionType":"git"},{"version":"2983416458b2e09f7246e8e55df78ccf5968693b","status":"affected","versionType":"git"},{"version":"4.19.239","status":"affected","lessThan":"4.19.276","versionType":"semver"},{"version":"5.4.190","status":"affected","lessThan":"5.4.235","versionType":"semver"},{"version":"5.10.112","status":"affected","lessThan":"5.10.173","versionType":"semver"},{"version":"5.15.35","status":"affected","lessThan":"5.15.99","versionType":"semver"},{"version":"5.17.4","status":"affected","lessThan":"5.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"]}],"references":["https://git.kernel.org/stable/c/fd79b61af2782f8875c78f50cdb8630ec43e2990","https://git.kernel.org/stable/c/d236103782de25736996a45bd36ac2a89bdc93c6","https://git.kernel.org/stable/c/9f73793b81637c60ccc83cc508645310b8ab7d80","https://git.kernel.org/stable/c/bb9a5562beb982aa5ebb73c521c49596ff8b8030","https://git.kernel.org/stable/c/8e365f1bd672cc9320a936f6ae6f8087aa40e9bc","https://git.kernel.org/stable/c/00b655fa96b4e941351cc4bf5ca755a65ae94a8e","https://git.kernel.org/stable/c/7a7175a2cd84b7874bebbf8e59f134557a34161b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50535.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50535","state":"PUBLISHED","datePublished":"2025-10-07T15:21:02.347Z","dateUpdated":"2026-08-15T12:23:36.276Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:15:38.666Z"},"containers":{"cna":{"title":"drm/amd/display: Fix potential null-deref in dm_resume","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential null-deref in dm_resume\n\n[Why]\nFixing smatch error:\ndm_resume() error: we previously assumed 'aconnector->dc_link' could be null\n\n[How]\nCheck if dc_link null at the beginning of the loop,\nso further checks can be 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