7.8

CVE-2026-45203

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Imaginationtech ≫ Ddk Version < 26.1
   Google ≫ Android Version -
   Linux ≫ Linux Kernel Version -
Imaginationtech ≫ Ddk Version 26.1 Update rtm1
   Google ≫ Android Version -
   Linux ≫ Linux Kernel Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.09% 0.006
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

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