cnvd-2020-28764
Vulnerability from cnvd

Title: Red Hat libvirt拒绝服务漏洞(CNVD-2020-28764)

Description:

Red Hat libvirt是美国红帽(Red Hat)公司的一个用于实现Linux虚拟化功能的Linux API,它支持各种Hypervisor,包括Xen和KVM,以及QEMU和用于其他操作系统的一些虚拟产品。

Red Hat libvirt 4.10.0版本至6.x版本(6.1.0版本已修改)中的‘qemuDomainGetStatsIOThread’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务(内存泄露)。

Severity:

Patch Name: Red Hat libvirt拒绝服务漏洞(CNVD-2020-28764)的补丁

Patch Description:

Red Hat libvirt是美国红帽(Red Hat)公司的一个用于实现Linux虚拟化功能的Linux API,它支持各种Hypervisor,包括Xen和KVM,以及QEMU和用于其他操作系统的一些虚拟产品。

Red Hat libvirt 4.10.0版本至6.x版本(6.1.0版本已修改)中的‘qemuDomainGetStatsIOThread’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务(内存泄露)。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://libvirt.org/git/?p=libvirt.git;a=commit;h=9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-12430

Impacted products
Name
Red Hat libvirt >=4.10.0,<6.1.0
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12430"
    }
  },
  "description": "Red Hat libvirt\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5b9e\u73b0Linux\u865a\u62df\u5316\u529f\u80fd\u7684Linux API\uff0c\u5b83\u652f\u6301\u5404\u79cdHypervisor\uff0c\u5305\u62ecXen\u548cKVM\uff0c\u4ee5\u53caQEMU\u548c\u7528\u4e8e\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u4e9b\u865a\u62df\u4ea7\u54c1\u3002\n\nRed Hat libvirt 4.10.0\u7248\u672c\u81f36.x\u7248\u672c\uff086.1.0\u7248\u672c\u5df2\u4fee\u6539\uff09\u4e2d\u7684\u2018qemuDomainGetStatsIOThread\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u6cc4\u9732\uff09\u3002",
  "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://libvirt.org/git/?p=libvirt.git;a=commit;h=9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-28764",
  "openTime": "2020-05-18",
  "patchDescription": "Red Hat libvirt\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5b9e\u73b0Linux\u865a\u62df\u5316\u529f\u80fd\u7684Linux API\uff0c\u5b83\u652f\u6301\u5404\u79cdHypervisor\uff0c\u5305\u62ecXen\u548cKVM\uff0c\u4ee5\u53caQEMU\u548c\u7528\u4e8e\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u4e9b\u865a\u62df\u4ea7\u54c1\u3002\r\n\r\nRed Hat libvirt 4.10.0\u7248\u672c\u81f36.x\u7248\u672c\uff086.1.0\u7248\u672c\u5df2\u4fee\u6539\uff09\u4e2d\u7684\u2018qemuDomainGetStatsIOThread\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5185\u5b58\u6cc4\u9732\uff09\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": "Red Hat libvirt\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2020-28764\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Red Hat libvirt \u003e=4.10.0\uff0c\u003c6.1.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12430",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-29",
  "title": "Red Hat libvirt\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2020-28764\uff09"
}


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