{"id":"CVE-2023-53780","state":"PUBLISHED","title":"drm/amd/display: fix FCLK pstate change underflow","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix FCLK pstate change underflow\n\n[Why]\nCurrently we set FCLK p-state change\nwatermark calculated based on dummy\np-state latency when UCLK p-state is\nnot supported\n\n[How]\nCalculate FCLK p-state change watermark\nbased on on FCLK pstate change latency\nin case UCLK p-state is not supported","publishedAt":"2025-12-09T00:00:35.925Z","updatedAt":"2026-05-11T19:51:23.114Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"4bdfa48d74649898468a0bf5c8b8a48dded77b4a","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"6853d56dba56d1c24db403ff3885c71e18d572c4","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"972243f973eb0821084e5833d5f7f4ed025f42da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","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/dc/dml/dcn32/dcn32_fpu.c"]}],"references":["https://git.kernel.org/stable/c/4bdfa48d74649898468a0bf5c8b8a48dded77b4a","https://git.kernel.org/stable/c/6853d56dba56d1c24db403ff3885c71e18d572c4","https://git.kernel.org/stable/c/972243f973eb0821084e5833d5f7f4ed025f42da"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53780.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53780","state":"PUBLISHED","datePublished":"2025-12-09T00:00:35.925Z","dateUpdated":"2026-05-11T19:51:23.114Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-08T23:58:35.272Z"},"containers":{"cna":{"title":"drm/amd/display: fix FCLK pstate change underflow","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix FCLK pstate change underflow\n\n[Why]\nCurrently we set FCLK p-state change\nwatermark calculated based on dummy\np-state latency when UCLK p-state is\nnot supported\n\n[How]\nCalculate FCLK p-state change watermark\nbased on on FCLK pstate change latency\nin case UCLK p-state is not supported"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"4bdfa48d74649898468a0bf5c8b8a48dded77b4a","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"6853d56dba56d1c24db403ff3885c71e18d572c4","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"972243f973eb0821084e5833d5f7f4ed025f42da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","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/dc/dml/dcn32/dcn32_fpu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4bdfa48d74649898468a0bf5c8b8a48dded77b4a"},{"url":"https://git.kernel.org/stable/c/6853d56dba56d1c24db403ff3885c71e18d572c4"},{"url":"https://git.kernel.org/stable/c/972243f973eb0821084e5833d5f7f4ed025f42da"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:51:23.114Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}