Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen 信息泄露漏洞
Vulnerability Description
Xen是英国剑桥（Cambridge）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 4.0及更高的版本中存在信息泄露漏洞。攻击者可利用该漏洞获得敏感信息，有助于发起进一步的攻击。
CVSS Information
N/A
Vulnerability Type
N/A