Permission errors on the /tmp partition.


Product Name

CIS Hardened Images® (AWS)

Product Version

CIS Ubuntu Linux 20.04 LTS Benchmark v1.1.0.22

Date

Apr 26, 2023



Problem

After upgrading from v1.1.0.21 to v1.1.0.22, a simple system upgrade via apt started failing with permission errors on the /tmp partition.

Solution

This failure is occurring due to the permissions configured on /tmp. This is part of the associated benchmark, with recommendation 1.1.2 Ensure /tmp is configured. In this case, it's best for the user to temporarily remove the security recommendation on /tmp to allow their package update to run and reimplement the security recommendation as per the benchmark.

CIS is currently working to improve this issue.

Keywords;

Hardened Images, AWS, /tmp

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