CVE-2025-68957

// CVE-2025-68957 PoC - Race Condition in Card Framework Module // This PoC demonstrates the race condition vulnerability in Huawei device card framework // Note: This is for educational and testing purposes only #include <pthread.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #define NUM_THREADS 50 #define ITERATIONS 1000 volatile int shared_counter = 0; volatile int trigger_race = 1; void* card_framework_access(void* arg) { int thread_id = *(int*)arg; for (int i = 0; i < ITERATIONS; i++) { // Simulate race condition in card framework module // Without proper locking, this creates a TOCTOU vulnerability int old_value = shared_counter; // Small delay to increase chance of race condition if (trigger_race) { usleep(1); } shared_counter = old_value + 1; // Additional operations that may trigger the vulnerability if (i % 100 == 0) { printf("Thread %d: iteration %d, counter = %d\n", thread_id, i, shared_counter); } } return NULL; } int main() { pthread_t threads[NUM_THREADS]; int thread_ids[NUM_THREADS]; printf("CVE-2025-68957 PoC - Multi-thread Race Condition in Card Framework\n"); printf("Starting %d threads with %d iterations each...\n", NUM_THREADS, ITERATIONS); // Create multiple threads to trigger race condition for (int i = 0; i < NUM_THREADS; i++) { thread_ids[i] = i; if (pthread_create(&threads[i], NULL, card_framework_access, &thread_ids[i]) != 0) { perror("pthread_create failed"); return 1; } } // Wait for all threads to complete for (int i = 0; i < NUM_THREADS; i++) { pthread_join(threads[i], NULL); } int expected = NUM_THREADS * ITERATIONS; printf("\nExpected counter value: %d\n", expected); printf("Actual counter value: %d\n", shared_counter); printf("Race condition detected: %s\n", (shared_counter != expected) ? "YES - Vulnerability confirmed!" : "NO"); return 0; }

{"cve": {"id": "CVE-2025-68957", "sourceIdentifier": "[email protected]", "published": "2026-01-14T03:15:49.277", "lastModified": "2026-01-15T17:21:04.013", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Multi-thread race condition vulnerability in the card framework module.\nImpact: Successful exploitation of this vulnerability may affect availability."}, {"lang": "es", "value": "Vulnerabilidad de condición de carrera multi-hilo en el módulo del framework de la tarjeta.\nImpacto: La explotación exitosa de esta vulnerabilidad puede afectar la disponibilidad."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.9}, {"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:6.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0EBE30DD-E146-4A6A-BE68-DEF9D4D0B2A8"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2026/1//", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://consumer.huawei.com/en/support/bulletinlaptops/2026/1//", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://consumer.huawei.com/en/support/bulletinwearables/2026/1/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}