{"id":"CVE-2022-46891","aliases":["A-260149319","ASB-A-260149319","EUVD-2022-49671","GHSA-394q-589m-ppr4"],"status":"published","title":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non...","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00828,"percentile":0.57755,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2023-01-17T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2023-05-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-05-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"arm","product":"bifrost_gpu_kernel_driver"},{"vendor":"arm","product":"midgard_gpu_kernel_driver"},{"vendor":"arm","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-2022-46891"},{"url":"https://github.com/advisories/GHSA-394q-589m-ppr4"},{"url":"https://source.android.com/security/bulletin/2023-05-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-46891","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.","status":"published","published":"2023-01-17T00:00:00Z","modified":"2024-11-27T15:10:12.945Z","updated_at":"2026-11-02T14:34:32.156873Z"}],"euvd":[{"id":"EUVD-2022-49671","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.","status":"published","published":"2023-01-17T00:00:00Z","modified":"2024-11-27T15:10:12Z","updated_at":"2026-11-03T00:04:45.657538Z"}],"ghsa":[{"id":"GHSA-394q-589m-ppr4","title":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non...","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.","status":"published","published":"2023-01-17T09:30:24Z","modified":"2023-01-25T00:30:39Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:41:42.686985Z"}],"nvd":[{"id":"CVE-2022-46891","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.","status":"published","published":"2023-01-17T08:15:10.453Z","modified":"2026-06-17T05:12:38.367Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:35.157734Z"}],"osv":[{"id":"ASB-A-260149319","status":"published","published":"2023-05-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}