{"id":"CVE-2026-21733","aliases":["A-483582720","ASB-A-483582720","EUVD-2026-23446","GHSA-4h67-fm2h-4qrp"],"status":"published","title":"GPU DDK - Incorrect flags validation in RGXDerivePTEProt8 can allow GPU to overwrite read-only shared memory (e.g. libc.so)","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.\n\n\n\nThis is caused by improper handling of GPU memory reservation protections.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00099,"percentile":0.00788,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-280"],"published":"2026-04-17T16:08:25Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-09-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-09-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"imagination technologies","product":"graphics ddk"},{"vendor":"imaginationtech","product":"ddk"}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21733"},{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-4h67-fm2h-4qrp"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-21733","title":"GPU DDK - Incorrect flags validation in RGXDerivePTEProt8 can allow GPU to overwrite read-only shared memory (e.g. libc.so)","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.\n\n\n\nThis is caused by improper handling of GPU memory reservation protections.","status":"published","published":"2026-04-17T16:08:25.661Z","modified":"2026-06-26T15:07:33.429Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"adp"}],"cwes":["CWE-280","CWE-20"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-23446","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.\n\n\n\nThis is caused by improper handling of GPU memory reservation protections.","status":"published","published":"2026-04-17T16:08:25Z","modified":"2026-06-26T15:07:33Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T18:20:24.495602Z"}],"ghsa":[{"id":"GHSA-4h67-fm2h-4qrp","title":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain...","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.\n\nThis is caused by improper handling of GPU memory reservation protections.","status":"published","published":"2026-04-17T18:31:52Z","modified":"2026-05-10T21:30:23Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-20","CWE-280"],"updated_at":"2026-11-02T15:07:58.760928Z"}],"nvd":[{"id":"CVE-2026-21733","description":"Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files.\n\n\n\nThis is caused by improper handling of GPU memory reservation protections.","status":"published","published":"2026-04-17T17:16:35.22Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-280","CWE-20"],"updated_at":"2026-11-02T14:12:15.120927Z"}],"osv":[{"id":"ASB-A-483582720","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:07.135383Z"}]}}