{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21733","assignerOrgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","state":"PUBLISHED","assignerShortName":"imaginationtech","dateReserved":"2026-01-05T11:57:27.258Z","datePublished":"2026-04-17T16:08:25.661Z","dateUpdated":"2026-06-26T15:07:33.429Z"},"containers":{"cna":{"providerMetadata":{"orgId":"367425dc-4d06-4041-9650-c2dc6aaa27ce","shortName":"imaginationtech","dateUpdated":"2026-06-26T15:07:33.429Z"},"title":"GPU DDK - Incorrect flags validation in RGXDerivePTEProt8 can allow GPU to overwrite read-only shared memory (e.g. libc.so)","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":"1.18 RTM","versionType":"custom"},{"status":"affected","version":"23.2 RTM","versionType":"custom"},{"status":"affected","version":"24.1 RTM","lessThanOrEqual":"24.2 RTM","versionType":"custom"},{"status":"affected","version":"25.1 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 and files.\n\n\n\nThis is caused by improper handling of GPU memory reservation protections.","supportingMedia":[{"type":"text/html","base64":false,"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 and files.\n<br>\n<br>This is caused by improper handling of GPU memory reservation protections."}]}],"references":[{"url":"https://www.imaginationtech.com/gpu-driver-vulnerabilities/"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-20","lang":"en","description":"CWE-20 Improper Input Validation"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.3,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-17T17:20:11.006304Z","id":"CVE-2026-21733","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":"2026-05-10T20:00:46.844Z"}}]}}