{"id":"CVE-2026-12285","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,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/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":"2026-09-10","sourceUpdated":"2026-09-10T18:17:54.777","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-12285","references":[{"url":"https://support.arm.com/documentation/111552/1-0/?lang=en","label":"arm-security@arm.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T17:56:41.282789Z"},"epss":0.00112,"epssPercentile":0.01551,"ingestedAt":"2026-09-08T15:33:26.985Z","slug":"CVE-2026-12285","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":"sunlit","depthScore":22,"depthScoreParts":{"impact":22,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":201460,"id":"CVE-2026-12285","ts":1789399467409,"field":"cvss","old":null,"new":"4"},{"seq":201459,"id":"CVE-2026-12285","ts":1789399467409,"field":"severity","old":"none","new":"medium"},{"seq":200194,"id":"CVE-2026-12285","ts":1789396932464,"field":"cvss","old":"4","new":null},{"seq":200193,"id":"CVE-2026-12285","ts":1789396932464,"field":"severity","old":"medium","new":"none"},{"seq":198117,"id":"CVE-2026-12285","ts":1789387978124,"field":"cvss","old":null,"new":"4"},{"seq":198116,"id":"CVE-2026-12285","ts":1789387978124,"field":"severity","old":"none","new":"medium"},{"seq":195911,"id":"CVE-2026-12285","ts":1789383308924,"field":"cvss","old":"4","new":null},{"seq":195910,"id":"CVE-2026-12285","ts":1789383308924,"field":"severity","old":"medium","new":"none"},{"seq":194840,"id":"CVE-2026-12285","ts":1789380274598,"field":"cvss","old":null,"new":"4"},{"seq":194839,"id":"CVE-2026-12285","ts":1789380274598,"field":"severity","old":"none","new":"medium"},{"seq":193627,"id":"CVE-2026-12285","ts":1789378169323,"field":"cvss","old":"4","new":null},{"seq":193626,"id":"CVE-2026-12285","ts":1789378169323,"field":"severity","old":"medium","new":"none"},{"seq":192414,"id":"CVE-2026-12285","ts":1789376195150,"field":"cvss","old":null,"new":"4"},{"seq":192413,"id":"CVE-2026-12285","ts":1789376195150,"field":"severity","old":"none","new":"medium"},{"seq":191201,"id":"CVE-2026-12285","ts":1789373040142,"field":"cvss","old":"4","new":null},{"seq":191200,"id":"CVE-2026-12285","ts":1789373040142,"field":"severity","old":"medium","new":"none"},{"seq":189986,"id":"CVE-2026-12285","ts":1789369097310,"field":"cvss","old":null,"new":"4"},{"seq":189985,"id":"CVE-2026-12285","ts":1789369097310,"field":"severity","old":"none","new":"medium"},{"seq":188773,"id":"CVE-2026-12285","ts":1789367990749,"field":"cvss","old":"4","new":null},{"seq":188772,"id":"CVE-2026-12285","ts":1789367990749,"field":"severity","old":"medium","new":"none"},{"seq":187556,"id":"CVE-2026-12285","ts":1789364952960,"field":"cvss","old":null,"new":"4"},{"seq":187555,"id":"CVE-2026-12285","ts":1789364952960,"field":"severity","old":"none","new":"medium"},{"seq":186343,"id":"CVE-2026-12285","ts":1789362908037,"field":"cvss","old":"4","new":null},{"seq":186342,"id":"CVE-2026-12285","ts":1789362908037,"field":"severity","old":"medium","new":"none"},{"seq":185129,"id":"CVE-2026-12285","ts":1789360939284,"field":"cvss","old":null,"new":"4"},{"seq":185128,"id":"CVE-2026-12285","ts":1789360939284,"field":"severity","old":"none","new":"medium"},{"seq":183916,"id":"CVE-2026-12285","ts":1789357852405,"field":"cvss","old":"4","new":null},{"seq":183915,"id":"CVE-2026-12285","ts":1789357852405,"field":"severity","old":"medium","new":"none"},{"seq":182168,"id":"CVE-2026-12285","ts":1789354064940,"field":"cvss","old":null,"new":"4"},{"seq":182167,"id":"CVE-2026-12285","ts":1789354064940,"field":"severity","old":"none","new":"medium"},{"seq":180961,"id":"CVE-2026-12285","ts":1789352879992,"field":"cvss","old":"4","new":null},{"seq":180960,"id":"CVE-2026-12285","ts":1789352879992,"field":"severity","old":"medium","new":"none"},{"seq":179754,"id":"CVE-2026-12285","ts":1789349957939,"field":"cvss","old":null,"new":"4"},{"seq":179753,"id":"CVE-2026-12285","ts":1789349957939,"field":"severity","old":"none","new":"medium"},{"seq":178547,"id":"CVE-2026-12285","ts":1789347714993,"field":"cvss","old":"4","new":null},{"seq":178546,"id":"CVE-2026-12285","ts":1789347714993,"field":"severity","old":"medium","new":"none"},{"seq":177340,"id":"CVE-2026-12285","ts":1789346145758,"field":"cvss","old":null,"new":"4"},{"seq":177339,"id":"CVE-2026-12285","ts":1789346145758,"field":"severity","old":"none","new":"medium"},{"seq":176133,"id":"CVE-2026-12285","ts":1789342651758,"field":"cvss","old":"4","new":null},{"seq":176132,"id":"CVE-2026-12285","ts":1789342651758,"field":"severity","old":"medium","new":"none"},{"seq":175919,"id":"CVE-2026-12285","ts":1789342263257,"field":"cvss","old":null,"new":"4"},{"seq":175918,"id":"CVE-2026-12285","ts":1789342263257,"field":"severity","old":"none","new":"medium"},{"seq":175457,"id":"CVE-2026-12285","ts":1789338287669,"field":"cvss","old":"4","new":null},{"seq":175456,"id":"CVE-2026-12285","ts":1789338287669,"field":"severity","old":"medium","new":"none"},{"seq":174252,"id":"CVE-2026-12285","ts":1789334563296,"field":"cvss","old":null,"new":"4"},{"seq":174251,"id":"CVE-2026-12285","ts":1789334563296,"field":"severity","old":"none","new":"medium"},{"seq":173047,"id":"CVE-2026-12285","ts":1789333144628,"field":"cvss","old":"4","new":null},{"seq":173046,"id":"CVE-2026-12285","ts":1789333144628,"field":"severity","old":"medium","new":"none"},{"seq":171861,"id":"CVE-2026-12285","ts":1789330841488,"field":"cvss","old":null,"new":"4"},{"seq":171860,"id":"CVE-2026-12285","ts":1789330841488,"field":"severity","old":"none","new":"me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