cnvd-2019-31647
Vulnerability from cnvd
Title
Linux kernel内存泄露漏洞（CNVD-2019-31647）
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 5.0.6之前版本在net/netlink/genetlink.c中的genl_register_family()的idr_alloc()失败时存在内存泄露漏洞。目前没有详细的漏洞细节提供。
Severity
中
Patch Name
Linux kernel内存泄露漏洞（CNVD-2019-31647）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 5.0.6之前版本在net/netlink/genetlink.c中的genl_register_family()的idr_alloc()失败时存在内存泄露漏洞。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/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-15921
Impacted products
Name
Linux kernel <5.0.6
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15921",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15921"
    }
  },
  "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 5.0.6\u4e4b\u524d\u7248\u672c\u5728net/netlink/genetlink.c\u4e2d\u7684genl_register_family()\u7684idr_alloc()\u5931\u8d25\u65f6\u5b58\u5728\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\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/ceabee6c59943bdd5e1da1a6a20dc7ee5f8113a2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-31647",
  "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 5.0.6\u4e4b\u524d\u7248\u672c\u5728net/netlink/genetlink.c\u4e2d\u7684genl_register_family()\u7684idr_alloc()\u5931\u8d25\u65f6\u5b58\u5728\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\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\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2019-31647\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c5.0.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15921",
  "serverity": "\u4e2d",
  "submitTime": "2019-09-05",
  "title": "Linux kernel\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2019-31647\uff09"
}


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