cnvd-2019-31650
Vulnerability from cnvd
Title
Linux kernel越界读取漏洞（CNVD-2019-31650）
Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.0.10之前版本中的fs/cifs/smb2pdu.c中的SMB2_negotiate存在越界读取漏洞。该漏洞源于从smb30更改为smb21后数据结构未完全更新。目前没有详细的漏洞细节提供。
Severity
高
Patch Name
Linux kernel越界读取漏洞（CNVD-2019-31650）的补丁
Patch Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.0.10之前版本中的fs/cifs/smb2pdu.c中的SMB2_negotiate存在越界读取漏洞。该漏洞源于从smb30更改为smb21后数据结构未完全更新。目前没有详细的漏洞细节提供。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://github.com/torvalds/linux/commit/b57a55e2200ede754e4dc9cce4ba9402544b9365

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-15918
Impacted products
Name
Linux kernel <5.0.10
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15918",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15918"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel 5.0.10\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/cifs/smb2pdu.c\u4e2d\u7684SMB2_negotiate\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ecesmb30\u66f4\u6539\u4e3asmb21\u540e\u6570\u636e\u7ed3\u6784\u672a\u5b8c\u5168\u66f4\u65b0\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/torvalds/linux/commit/b57a55e2200ede754e4dc9cce4ba9402544b9365",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-31650",
  "openTime": "2019-09-16",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 5.0.10\u4e4b\u524d\u7248\u672c\u4e2d\u7684fs/cifs/smb2pdu.c\u4e2d\u7684SMB2_negotiate\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ecesmb30\u66f4\u6539\u4e3asmb21\u540e\u6570\u636e\u7ed3\u6784\u672a\u5b8c\u5168\u66f4\u65b0\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2019-31650\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c5.0.10"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15918",
  "serverity": "\u9ad8",
  "submitTime": "2019-09-05",
  "title": "Linux kernel\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2019-31650\uff09"
}


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