{"id":"CVE-2021-46930","state":"PUBLISHED","title":"usb: mtu3: fix list_head check warning","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: mtu3: fix list_head check warning\n\nThis is caused by uninitialization of list_head.\n\nBUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4\n\nCall trace:\ndump_backtrace+0x0/0x298\nshow_stack+0x24/0x34\ndump_stack+0x130/0x1a8\nprint_address_description+0x88/0x56c\n__kasan_report+0x1b8/0x2a0\nkasan_report+0x14/0x20\n__asan_load8+0x9c/0xa0\n__list_del_entry_valid+0x34/0xe4\nmtu3_req_complete+0x4c/0x300 [mtu3]\nmtu3_gadget_stop+0x168/0x448 [mtu3]\nusb_gadget_unregister_driver+0x204/0x3a0\nunregister_gadget_item+0x44/0xa4","publishedAt":"2024-02-27T09:43:58.710Z","updatedAt":"2026-05-11T13:44:38.962Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"83374e035b6286731c5aa617844c7b724294c2a7","status":"affected","lessThan":"585e2b244dda7ea733274e4b8fa27853d625d3bf","versionType":"git"},{"version":"83374e035b6286731c5aa617844c7b724294c2a7","status":"affected","lessThan":"3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295","versionType":"git"},{"version":"83374e035b6286731c5aa617844c7b724294c2a7","status":"affected","lessThan":"249ddfbe00570d6dc76208e88017937d4d374c79","versionType":"git"},{"version":"83374e035b6286731c5aa617844c7b724294c2a7","status":"affected","lessThan":"8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/mtu3/mtu3_gadget.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.2","versionType":"semver"},{"version":"5.4.170","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.90","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.13","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/mtu3/mtu3_gadget.c"]}],"references":["https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf","https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295","https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79","https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:16.371Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/46xxx/CVE-2021-46930.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-46930","state":"PUBLISHED","datePublished":"2024-02-27T09:43:58.710Z","dateUpdated":"2026-05-11T13:44:38.962Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-25T13:45:52.720Z"},"containers":{"cna":{"title":"usb: mtu3: fix list_head check warning","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: mtu3: fix list_head check warning\n\nThis is caused by uninitialization of list_head.\n\nBUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4\n\nCall trace:\ndump_backtrace+0x0/0x298\nshow_stack+0x24/0x34\ndump_stack+0x130/0x1a8\nprint_address_description+0x88/0x56c\n__kasan_report+0x1b8/0x2a0\nkasan_report+0x14/0x20\n__asan_load8+0x9c/0xa0\n__list_del_entry_valid+0x34/0xe4\nmtu3_req_complete+0x4c/0x300 [mtu3]\nmtu3_gadget_stop+0x168/0x448 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