{"id":"CVE-2026-43369","title":"drm/amd: Fix NULL pointer dereference in device cleanup","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd: Fix NULL pointer dereference in device cleanup\n\nWhen GPU initialization fails due to an unsupported HW block\nIP blocks may have a NULL version pointer. During …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= fc58ef30e0a1524ce72a8e873d773ba3b0830c7d < 43025c941aced9a9009f9ff20eea4eb78c61deb8","Linux >= 6d7ac4a0ebb6b7bc885274aa8b2bd9971f07013c < 767cd24d3c4ae847688877def4891943f6611ecd","Linux >= 39fc2bc4da0082c226cbee331f0a5d44db3997da < 062ea905fff7756b2e87143ffccaece5cdb44267","Linux >= 6.18.16 < 6.18.19","Linux >= 6.19.6 < 6.19.9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:36:38.705069Z"},"published":"2026-05-08","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:42:50.871Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43369","references":[{"url":"https://git.kernel.org/stable/c/43025c941aced9a9009f9ff20eea4eb78c61deb8"},{"url":"https://git.kernel.org/stable/c/767cd24d3c4ae847688877def4891943f6611ecd"},{"url":"https://git.kernel.org/stable/c/062ea905fff7756b2e87143ffccaece5cdb44267"}],"tags":["cve.org"],"epss":0.00121,"epssPercentile":0.01905,"ingestedAt":"2026-11-06T15:54:03.930Z","slug":"CVE-2026-43369","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd: Fix NULL pointer dereference in device cleanup\n\nWhen GPU initialization fails due to an unsupported HW block\nIP blocks may have a NULL version pointer. During cleanup in\namdgpu_device_fini_hw, the code calls amdgpu_device_set_pg_state and\namdgpu_device_set_cg_state which iterate over all IP blocks and access\nadev->ip_blocks[i].version without NULL checks, leading to a kernel\nNULL pointer dereference.\n\nAdd NULL checks for adev->ip_blocks[i].version in both\namdgpu_device_set_cg_state and amdgpu_device_set_pg_state to prevent\ndereferencing NULL pointers during GPU teardown when initialization has\nfailed.\n\n(cherry picked from commit b7ac77468cda92eecae560b05f62f997a12fe2f2)\n\n## Affected\n\n- `Linux >= fc58ef30e0a1524ce72a8e873d773ba3b0830c7d < 43025c941aced9a9009f9ff20eea4eb78c61deb8`\n- `Linux >= 6d7ac4a0ebb6b7bc885274aa8b2bd9971f07013c < 767cd24d3c4ae847688877def4891943f6611ecd`\n- `Linux >= 39fc2bc4da0082c226cbee331f0a5d44db3997da < 062ea905fff7756b2e87143ffccaece5cdb44267`\n- `Linux >= 6.18.16 < 6.18.19`\n- `Linux >= 6.19.6 < 6.19.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}