Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen libvchan 输入验证漏洞
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 4.2.x、4.3.x及4.4-RC1版本中的libvchan中的io.c文件的‘do_send’和‘do_recv’函数中存在安全漏洞。虚拟机端的攻击者可借助特制的xenstore ring索引利用该漏洞造成拒绝服务或获取特权。
CVSS Information
N/A
Vulnerability Type
N/A