XenSource Xen 'physdev_get_free_pirq'拒绝服务漏洞

BUGTRAQ ID: 55406 CVE ID: CVE-2012-3495 Xen是一个开放源代码虚拟机监视器，由剑桥大学开发。 Xen 4.1及其他版本在实现上存在本地拒绝服务漏洞，对客户端操作系统有访问权限的攻击者可利用此漏洞使主机操作系统崩溃。 0 XenSource Xen 4.x XenSource Xen 3.x 厂商补丁： XenSource --------- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://xen.xensource.com/...

Intel CPU Hardware Local Privilege Escalation Vulnerability

Description 64-bit operating systems and virtualization software running on Intel CPU hardware are prone to a local privilege-escalation vulnerability. Attackers can exploit this issue to escalate privileges and execute arbitrary code with kernel-level privileges or to do a guest-to-host virtual...

CVE-2008-1952

The backend for XenSource Xen Para Virtualized Frame Buffer PVFB in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service crash by mapping an arbitrary amount of guest memory...

Design/Logic Flaw

The backend for XenSource Xen Para Virtualized Frame Buffer PVFB in Xen ioemu does not properly restrict the frame buffer size, which allows attackers to cause a denial of service crash by mapping an arbitrary amount of guest memory...

CVE-2008-1944

Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer PVFB Message 3.0 through 3.0.3 allows local users to cause a denial of service SDL crash and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of message...

CVE-2008-1944

Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer PVFB Message 3.0 through 3.0.3 allows local users to cause a denial of service SDL crash and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of message...

CVE-2008-1943

Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer PVFB 3.0 through 3.1.2 allows local users to cause a denial of service crash and possibly execute arbitrary code via a crafted description of a shared framebuffer...