CVE-2026-49745

GPU DDK - Unvalidated sHWPerfCtlDMABuf GPU-VA, DMA-write into FW privdata via MMU ctx 0

State: Published
Severity: 7.8 High
Published: Jul 24, 2026
Updated: Jul 24, 2026
Reserved: Jun 1, 2026

Description

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory.

Software installed and run under a Guest VM can send commands to the GPU which result in out of bounds memory accesses. These can be used to escalate privileges.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-823 CWE - CWE-823: Use of Out-of-range Pointer Offset (4.16)

Affected Products

Product	Versions
Graphics DDKImagination Technologies	1.18 RTM2Affected 23.2 RTM2Affected 24.2 RTM2Affected 25.1 RTM2 through 25.3 RTMAffected 26.1 RTM1Affected 26.1 RTM2Not affected

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

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