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CVE-2026-45203 GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU

🗓️ 10 Jul 2026 20:57:19Reported by imaginationtechType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Time of check use bug in GPU firmware allows host virtual machine driver to trigger memory writes out of bounds.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-45203
10 Jul 202620:57
cve
EUVD
EUVD-2026-43043
10 Jul 202620:57
euvd
NVD
CVE-2026-45203
10 Jul 202621:16
nvd
Positive Technologies
PT-2026-57314
10 Jul 202600:00
ptsecurity
[
  {
    "vendor": "Imagination Technologies",
    "product": "Graphics DDK",
    "platforms": [
      "Linux",
      "Android"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.18 RTM2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "23.2 RTM2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "24.2 RTM2",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "25.1 RTM2",
        "lessThanOrEqual": "25.3 RTM",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "26.1 RTM1",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "26.1 RTM2",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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