Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier allows local HVM guest OS kernels to cause a denial of service (host crash) and possibly read hypervisor or guest memory via vectors related to a missing range check of map->index.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen ‘PHYSDEVOP_map_pirq’索引拒绝服务漏洞
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 4.1.x版本和Citrix XenServer 6.0.2版本及较早的版本中的PHYSDEVOP_map_pirq中存在漏洞。通过与“地图到索引”范围检查遗漏有关的向量，具有HVM访客操作系统内核权限的本地攻击者可利用该漏洞导致拒绝服务（主机死机），并有可能读取管理程序或访客内存。
CVSS Information
N/A
Vulnerability Type
N/A