{"id":"CVE-2023-53498","title":"drm/amd/display: Fix potential null dereference","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential null dereference\n\nThe adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini()\nwithout checking.\n\nAdd a NULL pointer check be…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 624a60911b71af08a912ee8a296b271b3e7b34ab","Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 4b1afffdd94093118b3cc235ef2b4d2520fb4950","Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < b75aaebac265e3f29863699d9a929fdfba13d0a4","Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 281933f36a53fed1c2993a92cf1edfb424595474","Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < d4b749771fed3f99bbe8880eaab32a05ede0e5fa","Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 52f1783ff4146344342422c1cd94fcb4ce39b6fe","Linux 5.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:22:27.012814Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:11.985Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53498","references":[{"url":"https://git.kernel.org/stable/c/624a60911b71af08a912ee8a296b271b3e7b34ab"},{"url":"https://git.kernel.org/stable/c/4b1afffdd94093118b3cc235ef2b4d2520fb4950"},{"url":"https://git.kernel.org/stable/c/b75aaebac265e3f29863699d9a929fdfba13d0a4"},{"url":"https://git.kernel.org/stable/c/281933f36a53fed1c2993a92cf1edfb424595474"},{"url":"https://git.kernel.org/stable/c/d4b749771fed3f99bbe8880eaab32a05ede0e5fa"},{"url":"https://git.kernel.org/stable/c/52f1783ff4146344342422c1cd94fcb4ce39b6fe"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05165,"ingestedAt":"2026-11-05T22:38:31.803Z","slug":"CVE-2023-53498","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential null dereference\n\nThe adev->dm.dc pointer can be NULL and dereferenced in amdgpu_dm_fini()\nwithout checking.\n\nAdd a NULL pointer check before calling dc_dmub_srv_destroy().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n## Affected\n\n- `Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 624a60911b71af08a912ee8a296b271b3e7b34ab`\n- `Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 4b1afffdd94093118b3cc235ef2b4d2520fb4950`\n- `Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < b75aaebac265e3f29863699d9a929fdfba13d0a4`\n- `Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 281933f36a53fed1c2993a92cf1edfb424595474`\n- `Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < d4b749771fed3f99bbe8880eaab32a05ede0e5fa`\n- `Linux >= 9a71c7d31734f74549ad2bcd652c403c71e7c8d1 < 52f1783ff4146344342422c1cd94fcb4ce39b6fe`\n- `Linux 5.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}