CVE-2025-32446

/* * CVE-2025-32446 PoC - Intel QuickAssist Technology Untrusted Pointer Dereference * Author: Security Researcher * Description: Demonstrates potential pointer dereference issue in QAT driver * Note: This is a conceptual PoC for educational purposes only */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdint.h> /* Simulated QAT structures */ struct qat_op_data { uint64_t user_ptr; /* Untrusted pointer from user space */ uint32_t op_type; uint32_t flags; }; /* Vulnerable function simulating the issue */ int process_qat_request(struct qat_op_data *data) { /* VULNERABILITY: Direct dereference without validation */ volatile uint64_t *target = (volatile uint64_t *)data->user_ptr; /* Missing pointer validation checks: * - No check if user_ptr is within user space range * - No verification of pointer alignment * - No validation of pointer accessibility */ printf("[*] Dereferencing user-controlled pointer: 0x%lx\n", data->user_ptr); /* This can lead to arbitrary memory write if user_ptr is controlled */ *target = 0xDEADBEEF; return 0; } /* Example exploitation scenario */ int main(int argc, char *argv[]) { struct qat_op_data malicious_data; printf("[*] CVE-2025-32446 PoC - Intel QAT Untrusted Pointer Dereference\n"); printf("[*] Target: Intel QuickAssist Technology < 2.6.0\n\n"); /* Attacker controls the pointer value */ /* In real scenario, this would point to sensitive kernel structures */ malicious_data.user_ptr = 0xFFFFFFFFFFFFFFFF; /* Malicious pointer */ malicious_data.op_type = 1; malicious_data.flags = 0; /* Simulate calling vulnerable function */ printf("[*] Triggering vulnerable code path...\n"); process_qat_request(&malicious_data); printf("[*] Operation completed (may cause crash if pointer invalid)\n"); return 0; } /* * Mitigation: * 1. Always validate pointers from user space * 2. Use copy_from_user() for data transfer * 3. Check pointer alignment and range * 4. Implement proper access controls */

{"cve": {"id": "CVE-2025-32446", "sourceIdentifier": "[email protected]", "published": "2025-11-11T17:15:49.563", "lastModified": "2025-11-26T15:39:31.543", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Untrusted pointer dereference for some Intel QuickAssist Technology software before version 2.6.0 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with an authenticated user combined with a low complexity attack may enable data manipulation. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 6.8, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.0, "impactScore": 4.0}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-822"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:intel:quickassist_technology:*:*:*:*:*:windows:*:*", "versionEndExcluding": "2.6.0-0018", "matchCriteriaId": "6416303E-851F-4530-875E-D349969919BE"}]}]}], "references": [{"url": "https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01373.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}