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The /etc/sysctl.conf file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22596 | GEN000000-LNX00530 | SV-44758r1_rule | Medium |
| Description |
|---|
| The sysctl.conf file specifies the values for kernel parameters to be set on boot. These settings can affect the system's security. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-42263r1_chk ) |
|---|
| Check the permissions of the file. # ls -lLd /etc/sysctl.conf If the permissions of the file or directory contains a '+', an extended ACL is present. If the file has an extended ACL and it has not been documented with the IAO, this is a finding. |
| Fix Text (F-38208r1_fix) |
|---|
| Remove the extended ACL from the file. # setfacl --remove-all /etc/sysctl.conf |