CVE-2025-52513

// CVE-2025-52513 PoC Concept - Race Condition Trigger // This is a conceptual PoC demonstrating the race condition #include <pthread.h> #include <stdio.h> #include <stdlib.h> #define NUM_THREADS 10 #define ITERATIONS 1000 // Simulated HTS driver vulnerability trigger void *trigger_hts_race(void *arg) { int thread_id = *(int *)arg; for (int i = 0; i < ITERATIONS; i++) { // Trigger concurrent access to HTS driver // In real scenario, this would be ioctl/sysfs interface trigger_hts_write(thread_id, i); // Small delay to increase race condition probability sched_yield(); } return NULL; } void trigger_hts_write(int thread_id, int iteration) { // Simulate HTS driver vulnerable code path // The race condition occurs when multiple threads // access shared state without proper synchronization static int shared_counter = 0; static char buffer[64]; // Vulnerable: Non-atomic read-modify-write int idx = shared_counter; // Race window - other threads can modify shared_counter here if (idx < 64) { buffer[idx] = thread_id; // Potential out-of-bounds write } shared_counter++; // Non-atomic increment } int main() { pthread_t threads[NUM_THREADS]; int thread_ids[NUM_THREADS]; printf("CVE-2025-52513 PoC - HTS Driver Race Condition\n"); printf("Target: Samsung Exynos 2400/1580/2500\n\n"); // Create multiple threads to trigger race condition for (int i = 0; i < NUM_THREADS; i++) { thread_ids[i] = i; pthread_create(&threads[i], NULL, trigger_hts_race, &thread_ids[i]); } // Wait for all threads for (int i = 0; i < NUM_THREADS; i++) { pthread_join(threads[i], NULL); } printf("Race condition test completed.\n"); printf("Check system logs for crashes/panics.\n"); return 0; } // Note: This is a conceptual PoC for educational purposes. // Actual exploitation requires device-specific knowledge and // access to HTS driver interface on Samsung Exynos devices.

{"cve": {"id": "CVE-2025-52513", "sourceIdentifier": "[email protected]", "published": "2025-11-04T19:17:11.273", "lastModified": "2025-11-07T12:57:02.320", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Samsung Mobile Processor Exynos 2400, 1580, 2500. A race condition in the HTS driver results in an out-of-bounds write, leading to a denial of service."}], "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:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-787"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1580_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3594664-3CE6-4827-ABD4-B5719817F5D5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1580:-:*:*:*:*:*:*:*", "matchCriteriaId": "93C1F9E8-DA04-4466-AF66-01560A07BD98"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "16D9272E-1794-48FF-B6A4-8F48395BA38E"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_2400:-:*:*:*:*:*:*:*", "matchCriteriaId": "932F5FB3-5527-44D7-9DD9-EF03963E3CA3"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_2500_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "121D726F-2925-48FE-9CE4-3686B0802DA8"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_2500:-:*:*:*:*:*:*:*", "matchCriteriaId": "BA3794C2-9E77-4139-B188-26BDEA39DE21"}]}]}], "references": [{"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-52513/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}