{"id":"CVE-2023-53780","summary":"drm/amd/display: fix FCLK pstate change underflow","details":"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","modified":"2026-03-20T12:33:20.326027Z","published":"2025-12-09T00:00:35.925Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53780.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4bdfa48d74649898468a0bf5c8b8a48dded77b4a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6853d56dba56d1c24db403ff3885c71e18d572c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/972243f973eb0821084e5833d5f7f4ed025f42da"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53780.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53780"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c"},{"fixed":"4bdfa48d74649898468a0bf5c8b8a48dded77b4a"},{"fixed":"6853d56dba56d1c24db403ff3885c71e18d572c4"},{"fixed":"972243f973eb0821084e5833d5f7f4ed025f42da"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53780.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53780.json"}}],"schema_version":"1.7.5"}