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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-45203

GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU

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Status
Published
Published
Updated
Assigning organization
imaginationtech

Description

Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel. A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Imagination Technologies Graphics DDK

Default version status: unknown

  • 1.18 RTM2affected
  • 23.2 RTM2affected
  • 24.2 RTM2affected
  • 25.1 RTM2 to ≤ 25.3 RTMaffected
  • 26.1 RTM1affected
  • 26.1 RTM2unaffected

References