CVE-2026-21733

{"id": "CVE-2026-21733", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21733", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-17T17:20:11.006304Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 5.5, "exploitabilityScore": 1.8}]}, "affected": [{"source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "affectedData": [{"vendor": "Imagination Technologies", "product": "Graphics DDK", "versions": [{"status": "affected", "version": "1.18 RTM", "versionType": "custom"}, {"status": "affected", "version": "23.2 RTM", "versionType": "custom"}, {"status": "affected", "version": "24.1 RTM", "versionType": "custom", "lessThanOrEqual": "24.2 RTM"}, {"status": "affected", "version": "25.1 RTM", "versionType": "custom", "lessThanOrEqual": "25.3 RTM"}, {"status": "unaffected", "version": "26.1 RTM", "versionType": "custom"}], "platforms": ["Linux", "Android"], "defaultStatus": "unknown"}]}], "published": "2026-04-17T17:16:35.220", "references": [{"url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/", "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "description": [{"lang": "en", "value": "CWE-280"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-20"}]}], "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."}], "lastModified": "2026-06-26T16:16:30.373", "sourceIdentifier": "367425dc-4d06-4041-9650-c2dc6aaa27ce"}