Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel ‘KVM’ 权限许可和访问控制漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.3.4之前版本的KVM实现中存在漏洞，该漏洞源于未妥善处理内存slots与iommu之间的关系。guest操作系统用户可利用管理员权限对guest操作系统的访问在设备上执行hotunplug与hotplug操作，导致拒绝服务（主机操作系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A