Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux kernel through 3.17.2 miscalculates the number of pages during the handling of a mapping failure, which allows guest OS users to cause a denial of service (host OS page unpinning) or possibly have unspecified other impact by leveraging guest OS privileges. NOTE: this vulnerability exists because of an incorrect fix for CVE-2014-3601.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel KVM 'virt/kvm/iommu.c'数字错误漏洞
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。KVM（Kernel-based Virtual Machine，基于内核的虚拟机）是用于其中的一种虚拟化基础设施。 Linux kernel 3.17.2及之前版本的virt/kvm/iommu.c文件中的‘kvm_iommu_map_pages’函数中存在安全漏洞，该漏洞源于程序处理映射失败时没有正确计算页面数量。攻击者可借助虚拟机操作系统权限
CVSS Information
N/A
Vulnerability Type
N/A