{"id":"CVE-2026-93284","revision":"f3b26d7f6ebb4b4e98f002fd4832560f","records":[{"revision":"f3b26d7f6ebb4b4e98f002fd4832560f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93284","aliases":[],"title":"drm/pagemap: dma-unmap pages before handling migration errors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/pagemap: dma-unmap pages before handling migration errors\n\ndrm_pagemap_migrate_unmap_pages() relies on the pages array to determine\nwhich pages require DMA unmapping. However,\ndrm_pagemap_migration_unlock_put_pages() clears the array as part of its\ncleanup, leaving drm_pagemap_migrate_unmap_pages() with no valid page\ninformation if it is called afterward.\n\nCall drm_pagemap_migrate_unmap_pages() before\ndrm_pagemap_migration_unlock_put_pages() so the pages array remains\nvalid during DMA unmapping.","state":0,"publishedAt":"2026-09-24T16:02:08.527+00:00","modifiedAt":"2026-10-19T09:08:38.485+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/drm_pagemap.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"f86ad0ed620cb3c91ec7d5468e93ac68d727539d\",\n                            \"lessThan\": \"e4331c6644db85bc6ceb470bd84bcf371b6dbfa6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f86ad0ed620cb3c91ec7d5468e93ac68d727539d\",\n                            \"lessThan\": \"415f5a755cec5164b149037bf294e270b78d36c6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"f86ad0ed620cb3c91ec7d5468e93ac68d727539d\",\n                            \"lessThan\": \"9e6372ec2a3990662ae0a67f56ac0aee19848d5b\",\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/drm_pagemap.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.17\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.17\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/e4331c6644db85bc6ceb470bd84bcf371b6dbfa6","https://git.kernel.org/stable/c/415f5a755cec5164b149037bf294e270b78d36c6","https://git.kernel.org/stable/c/9e6372ec2a3990662ae0a67f56ac0aee19848d5b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93284","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93284","identifiers":["CVE-2026-93284"]},"retained":false,"historicalAffected":[]}],"coverage":[]}