Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen ‘HVMOP_pagetable_dying()’超调用拒绝服务漏洞
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 4.0，4.1以及4.2版本中的HVMOP_pagetable_dying超级调用中存在漏洞，该漏洞源于程序没有在运行影子页表格时正确地验证其表格的状态。远程攻击者可通过未明向量利用该漏洞造成拒绝服务（管理程序崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A