Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 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 4.0以及4.1版本中存在漏洞。通过以某种方式修改物理地址，从而触发在p2m数据清除期间产生过长的共享页搜索时间，具有本地HVM访客系统内核权限的攻击者可利用该漏洞造成拒绝服务（域0 VCPU挂起以及内核异常）。
CVSS Information
N/A
Vulnerability Type
N/A