{"id":"CVE-2026-89820","revision":"80b34079ca974cbbbac491fd77f85fcd","records":[{"revision":"80b34079ca974cbbbac491fd77f85fcd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89820","aliases":[],"title":"drm/amd/display: fix dc_lock leak on GPU reset error paths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix dc_lock leak on GPU reset error paths\n\nOn GPU reset, dm_suspend() takes dc_lock and leaves it for dm_resume()\nto drop. If amdgpu_dm_commit_zero_streams() or dm_dmub_hw_init() fails,\nthe function returns with the lock still held. The matching resume path\nis then skipped, so every later dc_lock take hangs.\n\nRelease the cached DC state and unlock before returning the error.","state":0,"publishedAt":"2026-09-16T10:30:52.803+00:00","modifiedAt":"2026-10-19T08:53:14.297+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/amdgpu_dm/amdgpu_dm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3cf7a0bc87f028b6bc63a43a80d9d6026ae4d85f\",\n                            \"lessThan\": \"295d2bf42061db490254e748f9344545bb7faf19\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3cf7a0bc87f028b6bc63a43a80d9d6026ae4d85f\",\n                            \"lessThan\": \"dac29cbb405b912742f4f7eda833cec8e7a53780\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3cf7a0bc87f028b6bc63a43a80d9d6026ae4d85f\",\n                            \"lessThan\": \"92a9eebd2a1f892fe482154d83f9f1626bc73d3b\",\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/amdgpu_dm/amdgpu_dm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/295d2bf42061db490254e748f9344545bb7faf19","https://git.kernel.org/stable/c/dac29cbb405b912742f4f7eda833cec8e7a53780","https://git.kernel.org/stable/c/92a9eebd2a1f892fe482154d83f9f1626bc73d3b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89820","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89820","identifiers":["CVE-2026-89820"]},"retained":false,"historicalAffected":[]}],"coverage":[]}