{"id":"CVE-2023-5427","aliases":["A-308188337","ASB-A-308188337","EUVD-2023-57742","GHSA-jrr9-w96c-8wpv"],"status":"published","title":"Mali GPU Kernel Driver allows improper GPU processing operations","description":"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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00334,"percentile":0.27047,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2023-12-01T10:13:49Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2024-01-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2024-01-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"arm","product":"5th_gen_gpu_architecture_kernel_driver"},{"vendor":"arm","product":"bifrost_gpu_kernel_driver"},{"vendor":"arm","product":"valhall_gpu_kernel_driver"},{"vendor":"arm ltd","product":"arm 5th gen gpu architecture kernel  driver"},{"vendor":"arm ltd","product":"bifrost gpu kernel driver"},{"vendor":"arm ltd","product":"valhall gpu kernel driver"}],"references":[{"url":"https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities","tags":["x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/176029/ARM-Mali-r44p0-Use-After-Free.html","tags":["x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5427"},{"url":"https://github.com/advisories/GHSA-jrr9-w96c-8wpv"},{"url":"https://source.android.com/security/bulletin/2024-01-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-5427","title":"Mali GPU Kernel Driver allows improper GPU processing operations","description":"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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.","status":"published","published":"2023-12-01T10:13:49.299Z","modified":"2026-02-25T16:41:07.193Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57742","description":"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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.","status":"published","published":"2023-12-01T10:13:49Z","modified":"2026-02-25T16:41:07Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:29.128374Z"}],"ghsa":[{"id":"GHSA-jrr9-w96c-8wpv","title":"A local non-privileged user can make improper GPU processing operations to gain access to already...","description":"A local non-privileged user can make improper GPU processing operations to gain access to already freed memory.","status":"published","published":"2023-12-01T12:30:49Z","modified":"2023-12-06T21:30:59Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:55:09.149913Z"}],"nvd":[{"id":"CVE-2023-5427","description":"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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.","status":"published","published":"2023-12-01T11:15:07.98Z","modified":"2026-06-17T06:48:34.13Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:52.544469Z"}],"osv":[{"id":"ASB-A-308188337","status":"published","published":"2024-01-01T00:00:00Z","modified":"2026-11-10T16:45:41.426023455Z","updated_at":"2026-11-10T17:35:06.383013Z"}]}}