{"id":"CVE-2023-52671","revision":"e4c7f66a2bff4402ad114b256a4e464d","records":[{"revision":"e4c7f66a2bff4402ad114b256a4e464d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-52671","aliases":[],"title":"drm/amd/display: Fix hang/underflow when transitioning to ODM4:1","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix hang/underflow when transitioning to ODM4:1\n\n[Why]\nUnder some circumstances, disabling an OPTC and attempting to reclaim\nits OPP(s) for a different OPTC could cause a hang/underflow due to OPPs\nnot being properly disconnected from the disabled OPTC.\n\n[How]\nEnsure that all OPPs are unassigned from an OPTC when it gets disabled.","state":0,"publishedAt":"2024-05-17T14:02:05.992+00:00","modifiedAt":"2026-05-11T19:31:25.351+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c\",\n                        \"drivers/gpu/drm/amd/display/dc/optc/dcn35/dcn35_optc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\",\n                            \"lessThan\": \"ae62f1dde66a6f0eee98defc4c7a346bd5acd239\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\",\n                            \"lessThan\": \"4b6b479b2da6badff099b2e3abf0248936eefbf5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c\",\n                            \"lessThan\": \"e7b2b108cdeab76a7e7324459e50b0c1214c0386\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/gpu/drm/amd/display/dc/optc/dcn32/dcn32_optc.c\",\n                        \"drivers/gpu/drm/amd/display/dc/optc/dcn35/dcn35_optc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.24\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.7.3\",\n                            \"lessThanOrEqual\": \"6.7.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239","https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5","https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-52671","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-52671","identifiers":["CVE-2023-52671"]},"retained":false,"historicalAffected":[]}],"coverage":[]}