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01 Record

CVE-2026-21736

GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled

MediumPUBLISHEDCNA: imaginationtech
CNA base score4.4 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

02 Description

GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.12% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 2.5% of scored records. A rank, not a probability.
NVD base score
4.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-03-09 12:23Z7 MO AGO
Last updated
2026-03-09 16:06Z7 MO AGO
Reserved
2026-01-05
Assigning CNA
imaginationtech
Record state
PUBLISHED
Severity
Medium (CVSS 4.4)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weaknesses
  • CWE-280Improper Handling of Insufficient Permissions or PrivilegesBase
Data version
5.2
Document digest
760af15312b13151b754eaa5426763d9f624c52f4cc01bc3a7b75369275ebed4

05 Affected products

VendorProductVersionsPlatforms
Imagination TechnologiesGraphics DDK1.17 RTM, 1.18 RTM, 23.2 RTM, 24.1 RTM to 25.1 RTMLinux, Android

06 References