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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Buffer overflow in the backend of XenSource Xen Para Virtualized Frame Buffer (PVFB) 3.0 through 3.1.2 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a crafted description of a shared framebuffer.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen超虚拟化帧缓冲区后端帧缓冲区处理漏洞
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中超虚拟化帧缓冲区(PVFB)后端没有验证前端的帧缓冲区描述，这可能允许恶意用户导致拒绝服务或使用特制的前端入侵特权域Dom0。 帧缓冲区是由以下参数描述的： * fb_len(共享帧缓冲区大小) * width，height，depth * row_stride，offset 在启动时fb_len是固定大小，前端可以通过发送XENFB_T
CVSS Information
N/A
Vulnerability Type
N/A