cnvd-2022-69201
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2022-69201）
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存在拒绝服务漏洞，该漏洞是由于net/core/sock.c中的sock_getsockopt（）函数中的“先用后读”缺陷造成的。本地经过身份验证的攻击者可利用此漏洞使系统崩溃或获取内部内核信息。
Severity
中
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2022-69201）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存在拒绝服务漏洞，该漏洞是由于net/core/sock.c中的sock_getsockopt（）函数中的“先用后读”缺陷造成的。本地经过身份验证的攻击者可利用此漏洞使系统崩溃或获取内部内核信息。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

厂商已发布了漏洞修复程序，请及时关注更新： https://lists.debian.org/debian-security-announce/2022/msg00063.html

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-4203
Impacted products
Name
Linux Linux kernel
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4203",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-4203"
    }
  },
  "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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8enet/core/sock.c\u4e2d\u7684sock_getsockopt\uff08\uff09\u51fd\u6570\u4e2d\u7684\u201c\u5148\u7528\u540e\u8bfb\u201d\u7f3a\u9677\u9020\u6210\u7684\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u4f7f\u7cfb\u7edf\u5d29\u6e83\u6216\u83b7\u53d6\u5185\u90e8\u5185\u6838\u4fe1\u606f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lists.debian.org/debian-security-announce/2022/msg00063.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-69201",
  "openTime": "2022-10-17",
  "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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8enet/core/sock.c\u4e2d\u7684sock_getsockopt\uff08\uff09\u51fd\u6570\u4e2d\u7684\u201c\u5148\u7528\u540e\u8bfb\u201d\u7f3a\u9677\u9020\u6210\u7684\u3002\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u4f7f\u7cfb\u7edf\u5d29\u6e83\u6216\u83b7\u53d6\u5185\u90e8\u5185\u6838\u4fe1\u606f\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-2022-69201\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-4203",
  "serverity": "\u4e2d",
  "submitTime": "2022-03-14",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-69201\uff09"
}


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