{"api_version":"1","generated_at":"2026-09-18T02:29:14+00:00","cve":"CVE-2026-93139","urls":{"html":"https://cve.report/CVE-2026-93139","api":"https://cve.report/api/cve/CVE-2026-93139.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93139","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93139"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:18:08","updated_at":"2026-09-17 17:18:08"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7ff668cfc3960ed5b944ac35129f18a15ea08b74","name":"https://git.kernel.org/stable/c/7ff668cfc3960ed5b944ac35129f18a15ea08b74","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2c256086a363f01f9840a57949506eccf5c990a6","name":"https://git.kernel.org/stable/c/2c256086a363f01f9840a57949506eccf5c990a6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93139","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93139","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a132fc9bc2f8b394a2f75947a0e1f5c22482a94c 7ff668cfc3960ed5b944ac35129f18a15ea08b74 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a132fc9bc2f8b394a2f75947a0e1f5c22482a94c 2c256086a363f01f9840a57949506eccf5c990a6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7ff668cfc3960ed5b944ac35129f18a15ea08b74","status":"affected","version":"a132fc9bc2f8b394a2f75947a0e1f5c22482a94c","versionType":"git"},{"lessThan":"2c256086a363f01f9840a57949506eccf5c990a6","status":"affected","version":"a132fc9bc2f8b394a2f75947a0e1f5c22482a94c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.2"},{"lessThan":"7.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"7.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"7.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:11:39.448Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7ff668cfc3960ed5b944ac35129f18a15ea08b74"},{"url":"https://git.kernel.org/stable/c/2c256086a363f01f9840a57949506eccf5c990a6"}],"title":"drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93139","datePublished":"2026-09-17T16:11:39.448Z","dateReserved":"2026-09-17T16:02:15.088Z","dateUpdated":"2026-09-17T16:11:39.448Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:18:08","lastModifiedDate":"2026-09-17 17:18:08","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93139","Ordinal":"1","Title":"drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC","CVE":"CVE-2026-93139","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93139","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC"}]}}}