CVE:CVE-2010-2538
CNNVD:CNNVD-201009-294
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。NFSv4 implementation是其中的一个分布式文件系统协议。
Linux kernel 2.6.35之前版本中的fs/btrfs/ioctl.c文件中的btrfs_ioctl_clone函数中存在整数溢出漏洞。本地用户可以借助BTRFS_IOC_CLONE_RANGE的输入输出控制调用获取敏感信息。
solution:Upgrade linux linux_kernel to a higher version than 2.6.35,and avoid the version (,2.6.35); Upgrade canonical ubuntu_linux to a higher version than 9.10,10.04,10.10,and avoid the version 9.10,10.04,10.10; Upgrade suse linux_enterprise_desktop to a higher version than 11:sp1,and avoid the version 11:sp1; Upgrade suse linux_enterprise_high_availability_extension to a higher version than 11:sp1,and avoid the version 11:sp1; Upgrade suse linux_enterprise_server to a higher version than 11:sp1,and avoid the version 11:sp1