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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 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 4.5.x至4.7.x版本中存在安全漏洞，该漏洞源于程序没有现实Supervisor Mode Access Prevention (SMAP)白名单。本地攻击者可通过触发安全检查利用该漏洞造成拒绝服务（管理程序和VM崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A