Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen‘xc_cpupool_getinfo’函数释放后重用漏洞
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至4.3.x版本中的‘xc_cpupool_getinfo’函数中存在释放后重用漏洞，该漏洞源于当使用多线程工具栈时，程序没有正确处理xc_cpumap_alloc函数产生的错误。本地攻击者可利用该漏洞造成拒绝服务（堆损坏）也可能获取特权。
CVSS Information
N/A
Vulnerability Type
N/A