{"id":"CVE-2026-72091","title":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: reject user command submission without a command BO\n\namdxdna_drm_submit_execbuf() passes the user-supplied command BO handle\nstraight into amdxdna_cmd_su…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: reject user command submission without a command BO\n\namdxdna_drm_submit_execbuf() passes the user-supplied command BO handle\nstraight into amdxdna_cmd_su…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= aac243092b707bb3018e951d470cc1a9bcbaba6c < 241cf3b7455bebbe492b9df4912b48e3260061d4","Linux >= aac243092b707bb3018e951d470cc1a9bcbaba6c < fff6509d976f6fae423a5236391ccdbd7e0e9f06","Linux >= aac243092b707bb3018e951d470cc1a9bcbaba6c < 261c1fe3327ad24508f54552c6366e3e4db82c15","Linux 6.14"],"published":"2026-08-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:42.497","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72091","references":[{"url":"https://git.kernel.org/stable/c/241cf3b7455bebbe492b9df4912b48e3260061d4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/261c1fe3327ad24508f54552c6366e3e4db82c15","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fff6509d976f6fae423a5236391ccdbd7e0e9f06","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00198,"epssPercentile":0.0888,"ingestedAt":"2026-10-15T11:00:41.687Z","slug":"CVE-2026-72091","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: reject user command submission without a command BO\n\namdxdna_drm_submit_execbuf() passes the user-supplied command BO handle\nstraight into amdxdna_cmd_submit() with drv_cmd == NULL. When the handle\nis AMDXDNA_INVALID_BO_HANDLE (0), the block that fetches job->cmd_bo is\nskipped, leaving it NULL, and no check rejects it on the user path (the\n!job->cmd_bo guard lives inside the != INVALID branch).\n\nThe job is then armed and pushed to the DRM scheduler.\naie2_sched_job_run() takes the drv_cmd == NULL path and calls\namdxdna_cmd_set_state(job->cmd_bo) -> amdxdna_gem_vmap(NULL) ->\nto_gobj(NULL)->dev, a NULL pointer dereference in the drm_sched worker.\nA process with access to the accel node on a system with a probed AMD NPU\ncan trigger a kernel oops with a single AMDXDNA_EXEC_CMD ioctl\n(cmd_handles = 0).\n\nOnly internal driver commands (SYNC_DEBUG_BO / ATTACH_DEBUG_BO)\nlegitimately pass AMDXDNA_INVALID_BO_HANDLE, and they always set drv_cmd.\nReject the invalid handle for user submissions (drv_cmd == NULL) at the\nsubmit choke point so every user path is covered.\n\nFound by 0sec automated security-research tooling (https://0sec.ai).\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":[]}