{"id":"CVE-2026-22163","state":"PUBLISHED","title":"GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU","description":"Requires malware code to misuse the DDK kernel module IOCTL interface.\n\nSuch code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages.\n\nThe product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource.","publishedAt":"2026-03-20T22:52:43.831Z","updatedAt":"2026-03-23T14:59:27.041Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"imaginationtech","products":["Imagination Technologies Graphics DDK"],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","defaultStatus":"unknown","versions":[{"version":"1.17 RTM","status":"affected","versionType":"custom"},{"version":"1.18 RTM","status":"affected","versionType":"custom"},{"version":"23.2 RTM","status":"affected","versionType":"custom"},{"version":"24.1 RTM","status":"affected","lessThanOrEqual":"24.2 RTM","versionType":"custom"},{"version":"25.1 RTM","status":"affected","lessThanOrEqual":"25.3 RTM","versionType":"custom"},{"version":"26.1 RTM","status":"unaffected","versionType":"custom"}],"platforms":["Linux","Android"]}],"references":["https://www.imaginationtech.com/gpu-driver-vulnerabilities/"],"weaknesses":["CWE-820"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/22xxx/CVE-2026-22163.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22163","state":"PUBLISHED","datePublished":"2026-03-20T22:52:43.831Z","dateUpdated":"2026-03-23T14:59:27.041Z","assignerShortName":"imaginationtech","assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","dateReserved":"2026-01-06T15:50:36.204Z"},"containers":{"cna":{"title":"GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU","descriptions":[{"lang":"en","value":"Requires malware code to misuse the DDK kernel module IOCTL interface.\n\nSuch code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages.\n\nThe product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource."}],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","defaultStatus":"unknown","versions":[{"version":"1.17 RTM","status":"affected","versionType":"custom"},{"version":"1.18 RTM","status":"affected","versionType":"custom"},{"version":"23.2 RTM","status":"affected","versionType":"custom"},{"version":"24.1 RTM","status":"affected","lessThanOrEqual":"24.2 RTM","versionType":"custom"},{"version":"25.1 RTM","status":"affected","lessThanOrEqual":"25.3 RTM","versionType":"custom"},{"version":"26.1 RTM","status":"unaffected","versionType":"custom"}],"platforms":["Linux","Android"]}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-820","lang":"en","description":"CWE-820: Missing Synchronization (4.19)","type":"CWE"}]}],"providerMetadata":{"shortName":"imaginationtech","orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","dateUpdated":"2026-03-20T22:52:43.831Z"},"impacts":[{"capecId":"CAPEC-124","descriptions":[{"lang":"en","value":"CAPEC-124: Shared Resource Manipulation (Version 3.9)"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-03-23T14:57:03.473658Z","id":"CVE-2026-22163","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-23T14:59:27.041Z"}}]}}}