cnvd-2019-36854
Vulnerability from cnvd
Title
Xen Linux kernel资源管理错误漏洞
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。Xen是英国剑桥大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 4.12.x及之前版本中的Linux kernel 5.2.3之前版本的drivers/xen/balloon.c文件存在资源管理错误漏洞，攻击者可利用该漏洞造成拒绝服务。
Severity
中
Patch Name
Xen Linux kernel资源管理错误漏洞的补丁
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。Xen是英国剑桥大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 4.12.x及之前版本中的Linux kernel 5.2.3之前版本的drivers/xen/balloon.c文件存在资源管理错误漏洞，攻击者可利用该漏洞造成拒绝服务。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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3

Reference
https://xenbits.xen.org/xsa/advisory-300.html https://github.com/torvalds/linux/commit/6ef36ab967c71690ebe7e5ef997a8be4da3bc844 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3 https://nvd.nist.gov/vuln/detail/CVE-2019-17351
Impacted products
Name
['Linux kernel <5.2.3', 'Xen Xen <=4.12.*']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-17351"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\n\nXen 4.12.x\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684Linux kernel 5.2.3\u4e4b\u524d\u7248\u672c\u7684drivers/xen/balloon.c\u6587\u4ef6\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-36854",
  "openTime": "2019-10-23",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\u3002\r\n\r\nXen 4.12.x\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684Linux kernel 5.2.3\u4e4b\u524d\u7248\u672c\u7684drivers/xen/balloon.c\u6587\u4ef6\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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": "Xen Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Linux kernel \u003c5.2.3",
      "Xen Xen \u003c=4.12.*"
    ]
  },
  "referenceLink": "https://xenbits.xen.org/xsa/advisory-300.html\r\nhttps://github.com/torvalds/linux/commit/6ef36ab967c71690ebe7e5ef997a8be4da3bc844\r\nhttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-17351",
  "serverity": "\u4e2d",
  "submitTime": "2019-10-08",
  "title": "Xen Linux kernel\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.