Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS users to cause a denial of service (buffer overflow and host OS memory corruption) or possibly have unspecified other impact via a crafted application.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel KVM 缓冲区错误漏洞
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。 Linux kernel 3.8.4之前版本中的arch/x86/kvm/x86.c中的‘kvm_set_msr_common’函数中存在漏洞，该漏洞源于程序在MSR_KVM_SYSTEM_TIME操作期间没有确认要求time_page对齐。通过特制的应用程序，攻击者利用该漏洞导致拒绝服务（缓冲区溢出和主机系统内存破坏）或产生其他未明影响。
CVSS Information
N/A
Vulnerability Type
N/A