{"id":"CVE-2022-46394","aliases":["A-267360595","ASB-A-267360595","EUVD-2022-49203","GHSA-cx94-hhxr-8q29"],"status":"published","title":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make...","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.","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":0.00699,"percentile":0.53399,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2023-03-08T00:00:00Z","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":"avalon_gpu_kernel_driver"},{"vendor":"arm","product":"valhall_gpu_kernel_driver"}],"references":[{"url":"https://developer.arm.com/support/arm-security-updates","tags":["x_transferred","Vendor Advisory"]},{"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-2022-46394"},{"url":"https://github.com/advisories/GHSA-cx94-hhxr-8q29"},{"url":"https://source.android.com/security/bulletin/2023-05-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-46394","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.","status":"published","published":"2023-03-08T00:00:00Z","modified":"2025-03-05T15:11:23.371Z","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":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:34:31.840191Z"}],"euvd":[{"id":"EUVD-2022-49203","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.","status":"published","published":"2023-03-08T00:00:00Z","modified":"2025-03-05T15:11:23Z","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"}],"updated_at":"2026-11-02T20:53:13.774215Z"}],"ghsa":[{"id":"GHSA-cx94-hhxr-8q29","title":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make...","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.","status":"published","published":"2023-03-08T21:30:24Z","modified":"2023-03-14T15:30:17Z","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":"2026-11-02T14:54:20.362756Z"}],"nvd":[{"id":"CVE-2022-46394","description":"An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Valhall r39p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.","status":"published","published":"2023-03-08T19:15:10.613Z","modified":"2026-06-17T05:11:41.15Z","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"},{"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":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:36.601381Z"}],"osv":[{"id":"ASB-A-267360595","description":"In TBD of TBD, there is a possible local arbitrary code execution  due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-05-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}