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Discuz! Linux主机注意!Linux Kernel VFS 'pivot_root()'函数拒绝服务漏洞:
标题: Linux Kernel VFS 'pivot_root()'函数拒绝服务漏洞
CVSS分值: 4.9
CVSS: AV:L/AC:L/Au:N/C:N/I:N/A:C
披露时间: 2014-10-13 00:00:00
利用难度: LOW
POC公开时间: 2017-05-28 11:30:47
CVEID: CVE-2014-7970
简介:
The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.
解决方案:
请直接在漏洞处理页面,选择对应服务器和漏洞,生成修复命令后,登录到服务器上运行即可。
yum update kernelyum update kernel-devel
yum update kernel-headers
yum update kernel-tools
yum update kernel-tools-libs
yum update python-perf
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