Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 输入验证错误漏洞
Vulnerability Description
Xen是英国剑桥大学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中存在输入验证错误漏洞，该漏洞源于程序没有充分的检查XENMEM_exchange的输入。攻击者可利用该漏洞访问系统内存，获取提升的权限，造成主机崩溃和信息泄露。以下版本受到影响：Xen 4.8.x版本，4.7.x版本，4.6.x版本，4.5.x版本，4.4.x版本。
CVSS Information
N/A
Vulnerability Type
N/A