CNVD-2021-60519

Vulnerability from cnvd - Published: 2021-08-10
VLAI
Title
Linux kernel拒绝服务漏洞(CNVD-2021-60519)
Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞是由于drivers/usb/host/max3421 hcd.c中的释放后使用和死机缺陷造成的。在某些情况下,通过删除MAX-3421 USB设备,攻击者可利用该漏洞造成拒绝服务攻击。
Severity
中
Patch Name
Linux kernel拒绝服务漏洞(CNVD-2021-60519)的补丁
Patch Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞是由于drivers/usb/host/max3421 hcd.c中的释放后使用和死机缺陷造成的。在某些情况下,通过删除MAX-3421 USB设备,攻击者可利用该漏洞造成拒绝服务攻击。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description

目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6

Reference
https://github.com/torvalds/linux/commit/b5fdf5c6e6bee35837e160c00ac89327bdad031b
Impacted products
Name
Linux Linux kernel < 5.13.6
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-38204"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8edrivers/usb/host/max3421 hcd.c\u4e2d\u7684\u91ca\u653e\u540e\u4f7f\u7528\u548c\u6b7b\u673a\u7f3a\u9677\u9020\u6210\u7684\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u5220\u9664MAX-3421 USB\u8bbe\u5907\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-60519",
  "openTime": "2021-08-10",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8edrivers/usb/host/max3421 hcd.c\u4e2d\u7684\u91ca\u653e\u540e\u4f7f\u7528\u548c\u6b7b\u673a\u7f3a\u9677\u9020\u6210\u7684\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u5220\u9664MAX-3421 USB\u8bbe\u5907\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-60519\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c 5.13.6"
  },
  "referenceLink": "https://github.com/torvalds/linux/commit/b5fdf5c6e6bee35837e160c00ac89327bdad031b",
  "serverity": "\u4e2d",
  "submitTime": "2021-08-10",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-60519\uff09"
}



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Sightings

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Nomenclature

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