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Responding to Ghost

Blog post from GitLab

Post Details
Company
Date Published
Author
Jacob Vosmaer
Word Count
275
Company Posts That Month
9
Language
English
Hacker News Points
-
Post removed?
No
Summary

The Ghost vulnerability in the glibc library, which is present on many Linux systems, has the potential to lead to remote code execution, although there is currently no evidence that it affects GitLab. Nevertheless, it is advisable to update system packages promptly. GitLab B.V. addressed this by running updates on all Linux machines and performing server reboots to ensure that all services using the C standard library were refreshed. To minimize downtime during these reboots, GitLab utilized a DRBD-based clustered setup for their production servers, allowing them to perform a fast failover from the active server to a stand-by server, thus maintaining service continuity.

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