RHEL-09-214020 - RHEL 9 must check the GPG signature of locally installed software packages before installation.

Information

Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has been provided by a trusted vendor.

All software packages must be signed with a cryptographic key recognized and approved by the organization.

Verifying the authenticity of software prior to installation validates the integrity of the software package received from a vendor. This verifies the software has not been tampered with and that it has been provided by a trusted vendor.

Solution

Configure dnf to always check the GPG signature of local software packages before installation.

Add or update the following line in the [main] section of the /etc/dnf/dnf.conf file:

localpkg_gpgcheck=1

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_RHEL_9_V2R1_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-5(3), CAT|I, CCI|CCI-003992, Rule-ID|SV-257821r997054_rule, STIG-ID|RHEL-09-214020, Vuln-ID|V-257821

Plugin: Unix

Control ID: 04a54c97851c2362745875ab3e9422f4f722332eddc69691ebfce04f368d7294