Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 竞争条件问题漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 3.18.5之前版本存在竞争条件问题漏洞。当虚拟机端操作系统缺少对SYSENTER MSR初始化时，攻击者可通过在16-bit模式下模拟SYSENTER指令利用该漏洞获取虚拟机权限，或造成拒绝服务（虚拟机崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A