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I. Basic Information for CVE-2011-3131
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Xen DMA请求IOMMU拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xen是英国剑桥大学开发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 4.1.1和较早版本中存在漏洞。通过发送大量DMA请求从而被IOMMU拒绝，触发活锁，具有访客操作系统内核权限的可控制的PCI[E]设备的本地攻击者可利用该漏洞导致拒绝服务（CPU耗尽和主机挂起）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2011-3131
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III. Intelligence Information for CVE-2011-3131
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IV. Related Vulnerabilities
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Same vendor: n/a
V. Comments for CVE-2011-3131

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