cnvd-2019-31655
Vulnerability from cnvd
Title
Linux kernel空指针解引用漏洞（CNVD-2019-31655）
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 5.0.11之前版本中的drivers/net/ethernet/intel/fm10k/fm10k_main.c中的fm10k_init_module存在空指针解引用漏洞。该漏洞源于alloc_workqueue失败时不返回-ENOMEM。攻击者可利用该漏洞导致拒绝服务。
Severity
中
Patch Name
Linux kernel空指针解引用漏洞（CNVD-2019-31655）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 5.0.11之前版本中的drivers/net/ethernet/intel/fm10k/fm10k_main.c中的fm10k_init_module存在空指针解引用漏洞。该漏洞源于alloc_workqueue失败时不返回-ENOMEM。攻击者可利用该漏洞导致拒绝服务。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/01ca667133d019edc9f0a1f70a272447c84ec41f

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-15924
Impacted products
Name
Linux kernel <5.0.11
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-15924",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-15924"
    }
  },
  "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 5.0.11\u4e4b\u524d\u7248\u672c\u4e2d\u7684drivers/net/ethernet/intel/fm10k/fm10k_main.c\u4e2d\u7684fm10k_init_module\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8ealloc_workqueue\u5931\u8d25\u65f6\u4e0d\u8fd4\u56de-ENOMEM\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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/01ca667133d019edc9f0a1f70a272447c84ec41f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-31655",
  "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 5.0.11\u4e4b\u524d\u7248\u672c\u4e2d\u7684drivers/net/ethernet/intel/fm10k/fm10k_main.c\u4e2d\u7684fm10k_init_module\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8ealloc_workqueue\u5931\u8d25\u65f6\u4e0d\u8fd4\u56de-ENOMEM\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2019-31655\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c5.0.11"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-15924",
  "serverity": "\u4e2d",
  "submitTime": "2019-09-05",
  "title": "Linux kernel\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2019-31655\uff09"
}


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