CVE:CVE-2009-2910
CNNVD:CNNVD-200910-294
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。
Linux kernel 2.6.31.4之前版本（x86_64平台）中存在信息泄露漏洞，该漏洞源于arch/x86/ia32/ia32entry.S没有在返回用户模式前清除内核寄存器。本地攻击者可通过将一个ia32进程转换成64-bit模式利用该漏洞从先前进程中读取寄存器数值。
solution:Upgrade linux linux_kernel to a higher version than 2.6.31.4,and avoid the version (,2.6.31.4); Upgrade suse linux_enterprise_debuginfo to a higher version than 10:sp2,and avoid the version 10:sp2; Upgrade opensuse opensuse to a higher version than 11.0,and avoid the version 11.0; Upgrade suse linux_enterprise_desktop to a higher version than 10:sp2,and avoid the version 10:sp2; Upgrade suse linux_enterprise_server to a higher version than 9,10:sp2,and avoid the version 9,10:sp2; Upgrade suse linux_enterprise_software_development_kit to a higher version than 10:sp2,and avoid the version 10:sp2; Upgrade canonical ubuntu_linux to a higher version than 6.06,8.04,8.10,9.04,9.10,and avoid the version 6.06,8.04,8.10,9.04,9.10; Upgrade redhat virtualization to a higher version than 5,and avoid the version 5; Upgrade redhat enterprise_linux_desktop to a higher version than 5.0,and avoid the version 5.0; Upgrade redhat enterprise_linux_eus to a higher version than 5.4,and avoid the version 5.4; Upgrade redhat enterprise_linux_server to a higher version than 5.0,and avoid the version 5.0; Upgrade redhat enterprise_linux_workstation to a higher version than 5.0,and avoid the version 5.0; Upgrade fedoraproject fedora to a higher version than 10,and avoid the version 10