{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21736","assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","state":"PUBLISHED","assignerShortName":"imaginationtech","dateReserved":"2026-01-05T11:57:27.258Z","datePublished":"2026-03-09T12:23:38.659Z","dateUpdated":"2026-03-09T16:06:41.667Z"},"containers":{"cna":{"providerMetadata":{"orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech","dateUpdated":"2026-03-09T12:23:38.659Z"},"title":"GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-280","description":"CWE-280: Improper Handling of Insufficient Permissions or Privileges","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-679","descriptions":[{"lang":"en","value":"CAPEC-679: Exploitation of Improperly Configured or Implemented Memory Protections"}]}],"affected":[{"vendor":"Imagination Technologies","product":"Graphics DDK","platforms":["Linux","Android"],"versions":[{"status":"affected","version":"1.17 RTM","versionType":"custom"},{"status":"affected","version":"1.18 RTM","versionType":"custom"},{"status":"affected","version":"23.2 RTM","versionType":"custom"},{"status":"affected","version":"24.1 RTM","lessThanOrEqual":"25.1 RTM","versionType":"custom"},{"status":"unaffected","version":"25.2 RTM","lessThanOrEqual":"25.3 RTM","versionType":"custom"},{"status":"unaffected","version":"26.1 RTM","versionType":"custom"}],"defaultStatus":"unknown"}],"descriptions":[{"lang":"en","value":"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.\n\nThis is caused by improper handling of the memory protections for the user-mode wrapped memory resource.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p><p>This is caused by improper handling of the memory&nbsp;protections&nbsp;for the user-mode wrapped memory resource.</p>"}]}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.4,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-03-09T16:06:38.819665Z","id":"CVE-2026-21736","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-09T16:06:41.667Z"}}]}}