Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability."
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen ‘GNTTABOP_get_status_frames()’函数拒绝服务漏洞
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至4.2版本中存在漏洞。当在64位虚拟机监控程序下运行32位X86的PV访客时，通过向GNTTABOP_get_status_frames函数发送无效的参数，具有访客操作系统管理员权限的本地攻击者可利用该漏洞造成拒绝服务（无限循环或崩溃）。又名“Grant表格超级调用无限循环拒绝服务漏洞”。
CVSS Information
N/A
Vulnerability Type
N/A