{"id":"CVE-2023-52586","revision":null,"records":[{"revision":"20fc0b7d0acb49c881cb06013d069905","observedAt":"2026-10-30T13:45:33.454+00:00","statement":{"source":"cve-program","id":"CVE-2023-52586","aliases":[],"title":"drm/msm/dpu: Add mutex lock in control vblank irq","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: Add mutex lock in control vblank irq\n\nAdd a mutex lock to control vblank irq to synchronize vblank\nenable/disable operations happening from different threads to prevent\nrace conditions while registering/unregistering the vblank irq callback.\n\nv4: -Removed vblank_ctl_lock from dpu_encoder_virt, so it is only a\n    parameter of dpu_encoder_phys.\n    -Switch from atomic refcnt to a simple int counter as mutex has\n    now been added\nv3: Mistakenly did not change wording in last version. It is done now.\nv2: Slightly changed wording of commit message\n\nPatchwork: https://patchwork.freedesktop.org/patch/571854/","state":0,"publishedAt":"2024-03-06T06:45:20.913+00:00","modifiedAt":"2026-10-30T12:17:15.522+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/msm/disp/dpu1/dpu_encoder.c\",\n                        \"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h\",\n                        \"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c\",\n                        \"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef\",\n                            \"lessThan\": \"763ca8d84f34d1db00d5750f77e6001765916d44\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef\",\n                            \"lessThan\": \"f6dd625053726ea2a209282bee97218f2ec04149\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef\",\n                            \"lessThan\": \"14f109bf74dd67e1d0469fed859c8e506b0df53f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef\",\n                            \"lessThan\": \"45284ff733e4caf6c118aae5131eb7e7cf3eea5a\",\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/msm/disp/dpu1/dpu_encoder.c\",\n                        \"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h\",\n                        \"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c\",\n                        \"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.191\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.7.4\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/763ca8d84f34d1db00d5750f77e6001765916d44","https://git.kernel.org/stable/c/f6dd625053726ea2a209282bee97218f2ec04149","https://git.kernel.org/stable/c/14f109bf74dd67e1d0469fed859c8e506b0df53f","https://git.kernel.org/stable/c/45284ff733e4caf6c118aae5131eb7e7cf3eea5a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-52586","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-52586","identifiers":["CVE-2023-52586"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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