Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen VT-d 中断处理拒绝服务漏洞
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 4.2.x，4.1.x，4.0以及其他版本中的AMD IOMMU支持中存在漏洞。该漏洞源于在对PCI透传使用AMD-Vi的情况下，程序在对遗留的PCI桥接之后的设备进行支持时没有正确地配置VT-d。通过注入中断到其他人客户，攻击者利用该漏洞导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A