cve-2021-46930
Vulnerability from cvelistv5
Published
2024-02-27 09:43
Modified
2024-11-04 11:56
Severity ?
Summary
usb: mtu3: fix list_head check warning
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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                "id": "CVE-2021-46930",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-27T20:52:42.615834Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/mtu3/mtu3_gadget.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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      "descriptions": [
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          "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"
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      "providerMetadata": {
        "dateUpdated": "2024-11-04T11:56:07.474Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      ],
      "title": "usb: mtu3: fix list_head check warning",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-46930",
    "datePublished": "2024-02-27T09:43:58.710Z",
    "dateReserved": "2024-02-25T13:45:52.720Z",
    "dateUpdated": "2024-11-04T11:56:07.474Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
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  }
}


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