Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The xen_iret function in arch/x86/xen/xen-asm_32.S in the Linux kernel before 3.7.9 on 32-bit Xen paravirt_ops platforms does not properly handle an invalid value in the DS segment register, which allows guest OS users to gain guest OS privileges via a crafted application.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel 本地权限提升漏洞
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。 运行于32位Xen paravirt_ops平台上的Linux kernel 3.7.9之前版本中的arch/x86/xen/xen-asm_32.S中的‘xen_iret’函数中存在漏洞，该漏洞源于程序没有在DS段寄存器中正确地处理无效的值。通过特制的应用程序，攻击者利用该漏洞获得客户操作系统权限。
CVSS Information
N/A
Vulnerability Type
N/A