Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used, which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel Ptrace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。 Linux Kernel处理应用程序兼容的底层代码存在漏洞，本地攻击者可能利用此漏洞提升自己的权限。 在x86_64平台上，Linux Kernel支持对IA32用户域应用程序的兼容模拟，arch/x86_64/ia32/ia32entry.S代码优化导致在底层汇编例程中使用了无效的opcode，以下代码部分没有充分地验证%RAX寄存器： ---
CVSS Information
N/A
Vulnerability Type
N/A