Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel KVM ‘em_syscall’函数拒绝服务漏洞
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 3.2.14版本之前的KVM实现上的arch/x86/kvm/emulate.c内的em_syscall函数中存在漏洞，该漏洞源于未正确处理0f05（又名系统调用）操作码。客户端操作系统用户可利用该漏洞通过特制的NASM文件应用程序导致拒绝服务（客户端操作系统崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A