{ "id": "CVE-2021-46930", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-02-27T10:15:07.637", "lastModified": "2024-04-10T16:39:23.653", "vulnStatus": "Analyzed", "cveTags": [], "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" }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: mtu3: correcci\u00f3n de advertencia de verificaci\u00f3n de list_head Esto se debe a la desinicializaci\u00f3n de list_head. ERROR: KASAN: uso despu\u00e9s de la liberaci\u00f3n en __list_del_entry_valid+0x34/0xe4 Rastreo de llamadas: dump_backtrace+0x0/0x298 show_stack+0x24/0x34 dump_stack+0x130/0x1a8 print_address_description+0x88/0x56c __kasan_report+0x1b8/0x2a0 kasan_report +0x14/0x20 __asan_load8+ 0x9c/0xa0 __list_del_entry_valid+0x34/0xe4 mtu3_req_complete+0x4c/0x300 [mtu3] mtu3_gadget_stop+0x168/0x448 [mtu3] usb_gadget_unregister_driver+0x204/0x3a0 unregister_gadget_item+0x44/0xa4" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2.0", "versionEndExcluding": "5.4.170", "matchCriteriaId": "F16D775D-ABA7-4B59-864E-A4F31BF976B3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5.0", "versionEndExcluding": "5.10.90", "matchCriteriaId": "C87FB3FD-3E74-4588-A1A4-B9BA8AE0C06B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.0", "versionEndExcluding": "5.15.13", "matchCriteriaId": "083E0940-932B-447B-A6B2-677DAE27FD04" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }