{"id":"CVE-2026-45197","aliases":["A-505806500","ASB-A-505806500","EUVD-2026-70858","GHSA-49pq-rgj7-q6mh"],"status":"published","title":"GPU DDK - TOCTOU affecting psFWMemContext-\u003euiPageCatBaseRegSet","description":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.\n\n\n\nThe firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.","severity":{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00091,"percentile":0.00472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-367"],"published":"2026-09-01T00:00:00Z","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"}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45197"},{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-49pq-rgj7-q6mh"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-45197","title":"GPU DDK - TOCTOU affecting psFWMemContext-\u003euiPageCatBaseRegSet","description":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.\n\n\n\nThe firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.","status":"published","published":"2026-09-04T01:53:55.981Z","modified":"2026-09-08T14:29:16.404Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T13:46:43.922571Z"}],"euvd":[{"id":"EUVD-2026-70858","description":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.\n\n\n\nThe firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.","status":"published","published":"2026-09-04T01:53:55Z","modified":"2026-09-08T14:29:16Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T17:28:29.426Z"}],"ghsa":[{"id":"GHSA-49pq-rgj7-q6mh","title":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU...","description":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.\n\n\n\nThe firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.","status":"published","published":"2026-09-04T03:31:05Z","modified":"2026-09-08T15:31:33Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:11:28.397774Z"}],"nvd":[{"id":"CVE-2026-45197","description":"Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a read and/or write data outside the Guest's virtualised GPU memory.\n\n\n\nThe firmware uses data provided by the Guest VM to set up accesses to memory. It validated this before use, but a TOCTOU bug was present which allowed the earlier check results to be invalidated.","status":"published","published":"2026-09-04T02:17:19.003Z","modified":"2026-09-08T15:28:33.09Z","cvss":[{"version":"3.1","score":2.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:43.737972Z"}],"osv":[{"id":"ASB-A-505806500","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-10T16:45:41.426023455Z","updated_at":"2026-11-10T17:04:13.670671Z"}]}}