Vulnerability Information
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Vulnerability Description
The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen PV Domain Builder 内核解压缩本地拒绝服务漏洞
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 4.2和较早版本中的PV domain builder中存在漏洞，该漏洞源于程序没有验证解压缩之前或之后的内核或内存虚拟磁盘的大小。本地（具备Guest管理员权限的）攻击者利用该漏洞通过特制的内核或内存虚拟磁盘导致拒绝服务（domain 0内存消耗）。
CVSS Information
N/A
Vulnerability Type
N/A