CVE:CVE-2020-25212
CNNVD:CNNVD-202009-588
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 before 5.8.3版本中存在安全漏洞，该漏洞源于NFS客户端代码中的TOCTOU不匹配。攻击者可利用该漏洞获取敏感信息。
solution:Upgrade linux linux_kernel to a higher version than 5.8.3,and avoid the version (,5.8.3); Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0; Upgrade opensuse leap to a higher version than 15.1,15.2,and avoid the version 15.1,15.2; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,20.04,and avoid the version 14.04,16.04,18.04,20.04