Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen ‘physdev_get_free_pirq’'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arch/x86/physdev.c中的physdev_get_free_pirq超调用中存在漏洞，该漏洞源于程序使用‘get_free_pirq’函数的返回值作为数组索引，却未有检查返回值指向一个错误。访客操作系统攻击者利用该漏洞通过未明向量导致拒绝服务（无
CVSS Information
N/A
Vulnerability Type
N/A