A vulnerability within the glibc DNS client used by many recent Linux distributions has recently been identified. This vulnerability has the potential to allow malicious access to affected devices and software, allowing a third-party to cause a crash or run malicious code.
A patch to fix the issue has already been released. This patch is documented in more detail here.
If you run an automatic update on your OS, then the patch should have already been downloaded. However you will need to reboot your system in order for it to be applied.
Vulnerable versions of glibc are installed by default on the following operating systems offered by Fasthosts:
- Legacy customers running RedHat Enterprise 6
- Centos 6
- Centos 7
- Ubuntu 12
- Ubuntu 14
Due to the public nature of the vulnerability, we recommend that you immediately check to ensure that this patch has been installed on your system, and to perform the necessary reboot at your earliest convenience.
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