CVE:CVE-2010-2226
CNNVD:CNNVD-201009-004
Linux Kernel是开源操作系统Linux所使用的内核。
Linux kernel 2.6.35之前版本中的fs/xfs/xfs_dfrag.c中的xfs_swapext函数不能正确检查传递到SWAPEXT ioctl的文件描述符，本地用户可以借助交换一个文件到另一个文件获取写访问和读访问权限。
solution:Upgrade linux linux_kernel to a higher version than 2.6.35,and avoid the version (,2.6.35); Upgrade suse linux_enterprise_desktop to a higher version than 10:sp3,and avoid the version 10:sp3; Upgrade suse linux_enterprise_server to a higher version than 10:sp3,and avoid the version 10:sp3; Upgrade suse linux_enterprise_software_development_kit to a higher version than 10:sp3,and avoid the version 10:sp3; Upgrade debian debian_linux to a higher version than 5.0,and avoid the version 5.0; Upgrade canonical ubuntu_linux to a higher version than 6.06,8.04,9.04,9.10,10.04,10.10,and avoid the version 6.06,8.04,9.04,9.10,10.04,10.10