{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-46930", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:45:52.720Z", "datePublished": "2024-02-27T09:43:58.710Z", "dateUpdated": "2026-05-11T13:44:38.962Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:44:38.962Z" }, "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 [mtu3]\nusb_gadget_unregister_driver+0x204/0x3a0\nunregister_gadget_item+0x44/0xa4" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/usb/mtu3/mtu3_gadget.c" ], "versions": [ { "version": "83374e035b6286731c5aa617844c7b724294c2a7", "lessThan": "585e2b244dda7ea733274e4b8fa27853d625d3bf", "status": "affected", "versionType": "git" }, { "version": "83374e035b6286731c5aa617844c7b724294c2a7", "lessThan": "3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295", "status": "affected", "versionType": "git" }, { "version": "83374e035b6286731c5aa617844c7b724294c2a7", "lessThan": "249ddfbe00570d6dc76208e88017937d4d374c79", "status": "affected", "versionType": "git" }, { "version": "83374e035b6286731c5aa617844c7b724294c2a7", "lessThan": "8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/usb/mtu3/mtu3_gadget.c" ], "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.170", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.90", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.13", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.4.170" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.90" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf" }, { "url": "https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295" }, { "url": "https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79" }, { "url": "https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf" } ], "title": "usb: mtu3: fix list_head check warning", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-46930", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-02-27T20:52:42.615834Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:22:03.494Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.987Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf", "tags": [ "x_transferred" ] } ] } ] } }