Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 安全漏洞
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 4.0.x版本至4.7.x版本中存在安全漏洞。本地攻击者可借助虚拟机操作系统利用该漏洞获取权限或造成拒绝服务（虚拟机操作系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A