Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The xenmem_add_to_physmap_one function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map the memory of a foreign guest.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 权限许可和访问控制漏洞
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 4.5.x和4.4.0及之前版本的arch/arm/mm.c文件中的‘xenmem_add_to_physmap_one’函数存在安全漏洞，该漏洞源于程序没有限制printk控制台消息的数量。远程攻击者可借助映射foreign请求内存的权限利用该漏洞造成拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A