CVE-2026-21733

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. This is caused by improper handling of GPU memory reservation protections.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.imaginationtech.com/gpu-driver-vulnerabilities/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:imaginationtech:ddk::::::::
	cpe:2.3:a:imaginationtech:ddk:25.3:rtm::::::

OR	cpe:2.3:o:google:android:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*

History

No history.

Information

Published : 2026-04-17 17:16

Updated : 2026-08-12 15:57

NVD link : CVE-2026-21733

Mitre link : CVE-2026-21733

CVE.ORG link : CVE-2026-21733

JSON object : View

Products Affected

linux

linux_kernel

imaginationtech

ddk

google

android

CWE

CWE-280

Improper Handling of Insufficient Permissions or Privileges

CWE-20

Improper Input Validation

{"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/", "tags": ["Vendor Advisory"], "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce"}], "vulnStatus": "Analyzed", "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": "2026-08-12T15:57:44.367", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99A33CBA-49C5-4976-B668-88F87F0FF575", "versionEndExcluding": "25.3"}, {"criteria": "cpe:2.3:a:imaginationtech:ddk:25.3:rtm:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6B3E39FF-6C96-4A0B-9CE1-595C785DF920"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "367425dc-4d06-4041-9650-c2dc6aaa27ce"}