Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 权限许可和访问控制漏洞
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 3.3.x版本至4.5.x版本中存在安全漏洞，该漏洞源于程序没有正确限制写访问主机MSI消息数据字段。本地x86 HVM虚拟机端攻击者可利用该漏洞造成拒绝服务（主机中断处理混乱）。
CVSS Information
N/A
Vulnerability Type
N/A