{"id":"CVE-2026-0001","title":"Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing op…","summary":"Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing op…","severity":"medium","cvss":4.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-416"],"vendor":"Arm Ltd","product":"Bifrost GPU Kernel Driver","affected":["bifrost_gpu_kernel_driver >= r41p0 <= r49p5","bifrost_gpu_kernel_driver >= r50p0 <= r51p0","bifrost_gpu_kernel_driver >= r54p1 <= r54p2","valhall_gpu_kernel_driver >= r41p0 <= r49p5","valhall_gpu_kernel_driver >= r50p0 <= r54p3","valhall_gpu_kernel_driver r55p0","arm_5th_gen_gpu_architecture_kernel_driver >= r41p0 <= r49p5","arm_5th_gen_gpu_architecture_kernel_driver >= r50p0 <= r54p3","arm_5th_gen_gpu_architecture_kernel_driver r55p0"],"published":"2026-09-08","updated":"2026-09-08","sourceUpdated":"2026-09-08T15:24:07.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-0001","references":[{"url":"https://support.arm.com/documentation/111552/1-0/?lang=en","label":"arm-security@arm.com"}],"tags":["nvd","cve.org","exploit-available"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T14:36:33.816864Z"},"exploitAvailable":true,"ingestedAt":"2026-09-08T15:33:26.985Z","epss":0.00169,"epssPercentile":0.0658,"slug":"CVE-2026-0001","body":"## Overview\n\nUse After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to access already freed memory.\n\n\n\nThis issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p5, from r50p0 through r54p3, r55p0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":36,"depthScoreParts":{"impact":24.2,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}