{"id":"CVE-2026-93139","revision":"bfab444757c6419cab43a38498e2d903","records":[{"revision":"bfab444757c6419cab43a38498e2d903","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93139","aliases":[],"title":"drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC\n\nThe loop iterated only AMDGPU_MAX_MES_PIPES times, leaving entries\nuninitialized for multi-XCC GPUs. This causes null pointer dereferences\nwhen accessing arrays indexed by XCC ID >= 2. Extend the loop to cover\nall XCCs (AMDGPU_MAX_MES_PIPES * num_xcc), matching other per-XCC\narrays.","state":0,"publishedAt":"2026-09-17T16:11:39.448+00:00","modifiedAt":"2026-10-19T09:06:12.015+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/amdgpu/amdgpu_mes.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"a132fc9bc2f8b394a2f75947a0e1f5c22482a94c\",\n                            \"lessThan\": \"7ff668cfc3960ed5b944ac35129f18a15ea08b74\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a132fc9bc2f8b394a2f75947a0e1f5c22482a94c\",\n                            \"lessThan\": \"2c256086a363f01f9840a57949506eccf5c990a6\",\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/amdgpu/amdgpu_mes.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\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/7ff668cfc3960ed5b944ac35129f18a15ea08b74","https://git.kernel.org/stable/c/2c256086a363f01f9840a57949506eccf5c990a6"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93139","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93139","identifiers":["CVE-2026-93139"]},"retained":false,"historicalAffected":[]}],"coverage":[]}