Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.
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的arch/x86/mm/p2m-pod.c文件中的‘p2m_pod_emergency_sweep’函数存在安全漏洞。本地攻击者可借助特制的内存内容利用该漏洞造成拒绝服务（CPU资源消耗和重启）。以下版本受到影响：Xen 4.4.x版本，4.5.x版本，4.6.x版本。
CVSS Information
N/A
Vulnerability Type
N/A