vulnerabilities:dirty_cow
Differences
This shows you the differences between two versions of the page.
| Next revision | Previous revision | ||
| vulnerabilities:dirty_cow [2017/02/22 16:35] – created peter | vulnerabilities:dirty_cow [2019/12/04 22:18] (current) – removed peter | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| - | ====== Vulnerabilities - Dirty COW ====== | ||
| - | |||
| - | Dirty COW is an underlying issue was a race condition in the way kernel handles copy-on-write (COW). | ||
| - | |||
| - | More information can be found on [[https:// | ||
| - | |||
| - | Check Vulnerability | ||
| - | Ubuntu/ | ||
| - | |||
| - | To find out if your server is affected, check your kernel version. | ||
| - | |||
| - | <code bash> | ||
| - | uname -rv | ||
| - | </ | ||
| - | |||
| - | You'll see output like this: | ||
| - | |||
| - | Output | ||
| - | |||
| - | < | ||
| - | 4.4.0-42-generic #62-Ubuntu SMP Fri Oct 7 23:11:45 UTC 2016 | ||
| - | </ | ||
| - | |||
| - | If your version is earlier than the following, you are affected: | ||
| - | |||
| - | * 4.8.0-26.28 for Ubuntu 16.10 | ||
| - | * 4.4.0-45.66 for Ubuntu 16.04 LTS | ||
| - | * 3.13.0-100.147 for Ubuntu 14.04 LTS | ||
| - | * 3.2.0-113.155 for Ubuntu 12.04 LTS | ||
| - | * 3.16.36-1+deb8u2 for Debian 8 | ||
| - | * 3.2.82-1 for Debian 7 | ||
| - | * 4.7.8-1 for Debian unstable | ||
| - | |||
| - | |||
| - | ===== Fix Vulnerability ===== | ||
| - | |||
| - | <code bash> | ||
| - | sudo apt-get update && sudo apt-get dist-upgrade | ||
| - | </ | ||
| - | |||
| - | |||
| - | <WRAP info> | ||
| - | On Redhat use: | ||
| - | |||
| - | sudo yum update kernel | ||
| - | </ | ||
| - | |||
| - | |||
| - | Then reboot. | ||
| - | |||
vulnerabilities/dirty_cow.1487781300.txt.gz · Last modified: 2020/07/15 09:30 (external edit)