{"id":"CVE-2023-5091","aliases":["A-298150556","ASB-A-298150556","EUVD-2023-57431","GHSA-66qh-r598-w33q"],"status":"published","title":"Mali GPU Kernel Driver allows improper GPU processing operations","description":"Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00153,"percentile":0.04444,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2024-01-08T09:23:35Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2024-02-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2024-02-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"arm","product":"valhall_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":"https://nvd.nist.gov/vuln/detail/CVE-2023-5091"},{"url":"https://github.com/advisories/GHSA-66qh-r598-w33q"},{"url":"https://source.android.com/security/bulletin/2024-02-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-5091","title":"Mali GPU Kernel Driver allows improper GPU processing operations","description":"Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.\n\n","status":"published","published":"2024-01-08T09:23:35.019Z","modified":"2025-05-22T17:23:43.161Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/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-2023-57431","description":"Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.\n\n","status":"published","published":"2024-01-08T09:23:35Z","modified":"2025-05-22T17:23:43Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:40.249574Z"}],"ghsa":[{"id":"GHSA-66qh-r598-w33q","title":"Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged...","description":"Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.\n\n","status":"published","published":"2024-01-08T12:30:31Z","modified":"2024-01-12T15:30:25Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:55:24.514817Z"}],"nvd":[{"id":"CVE-2023-5091","description":"Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.\n\n","status":"published","published":"2024-01-08T10:15:11.233Z","modified":"2026-06-17T06:47:31.2Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:59.830468Z"}],"osv":[{"id":"ASB-A-298150556","status":"published","published":"2024-02-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:15.724291Z"}]}}