CVE-2026-34193CWE-823

CVE-2026-34193

Medium · published June 1, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
12.5
In the wild
Unconfirmed
What it is

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

A logic error in the address translation allowed a compromised Host (Kernel) to perform arbitrary writes to firmware memory.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00225 · 12.5th percentile
Weakness
CWE-823 · Use of Out-of-range Pointer Offset
Published
2026-06-01T17:16Z
Affected products (2)
ProductVersionsFixed in
imaginationtech/ddk< 26.126.1
imaginationtech/ddkall versions—
References (1)
EPSS history
Timeline
  • 01 JUN 11:14Z
    GPU DDK - Arbitrary write via UFO updates due insufficient pointer validation in rgxfw_to_ptr()
    cvelistv5