CNVD-2019-13410

Vulnerability from cnvd - Published: 2019-05-09
VLAI
Title
Linux Kernel认证绕过漏洞
Description
Linux kernel是美国Linux基金会的发布的开源操作系统Linux所使用的内核。 Linux kernel中的KVM存在安全漏洞。攻击者可借助kvm_ioctl_create_device() 利用该漏洞绕过限制。
Severity
中
Patch Name
Linux Kernel认证绕过漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会的发布的开源操作系统Linux所使用的内核。 Linux kernel中的KVM存在安全漏洞。攻击者可借助kvm_ioctl_create_device() 利用该漏洞绕过限制。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，补丁获取链接： https://www.linux.org/

Reference
https://www.securityfocus.com/bid/107127 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6974 https://bugs.chromium.org/p/project-zero/issues/detail?id=1765 https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9 https://www.exploit-db.com/exploits/46388 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156 http://www.kernel.org/ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9 https://www.oracle.com/technetwork/topics/security/linuxbulletinapr2019-5461367.html
Impacted products
Name
Linux Kernel
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "107127"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-6974"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u4e2d\u7684KVM\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9kvm_ioctl_create_device() \u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u9650\u5236\u3002",
  "discovererName": "Linux",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.linux.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-13410",
  "openTime": "2019-05-09",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u4e2d\u7684KVM\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9kvm_ioctl_create_device() \u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u9650\u5236\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\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "https://www.securityfocus.com/bid/107127 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6974 https://bugs.chromium.org/p/project-zero/issues/detail?id=1765 https://github.com/torvalds/linux/commit/cfa39381173d5f969daf43582c95ad679189cbc9 https://www.exploit-db.com/exploits/46388 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.99 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.21 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.8 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.156 http://www.kernel.org/ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cfa39381173d5f969daf43582c95ad679189cbc9 https://www.oracle.com/technetwork/topics/security/linuxbulletinapr2019-5461367.html",
  "serverity": "\u4e2d",
  "submitTime": "2019-04-22",
  "title": "Linux Kernel\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}



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