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Security Measures


AlmaLinux OS Foundation provides errata to inform users about available updates, including security issues and bug fixes, and their significance through analysis. Users can easily access this information by accessing our AlmaLinux security advisory portal, known as AlmaLinux Errata. More details on Errata and how to use it can be found on the AlmaLinux Errata Wiki page.
Additionally, AlmaLinux OS is present in the OSV database.

Errata in JSON format for 3rd party software integration:

GPG Keys

AlmaLinux OS Foundation signs all of its software packages using a GPG signature key, which is verified by default when installing packages via dnf or graphical update tools. If a package is not signed or has an invalid signature, dnf or graphical update tools will warn the user and will refuse to install it.
It’s recommended to verify the signature of a package before you install it.

AlmaLinux OS 9

rsa4096/D36CB86CB86B3716 (2022-01-18): AlmaLinux OS 9 <packager@almalinux.org> Location: /etc/pki/rpm-gpg/RPM-GPG-KEY-AlmaLinux-9 Download: AlmaLinux Download: pgp.mit.edu

BF18 AC28 7617 8908 D6E7 1267 D36C B86C B86B 3716

AlmaLinux OS 8

rsa4096/488FCF7C3ABB34F8 (2021-01-12): AlmaLinux <packager@almalinux.org> Location: /etc/pki/rpm-gpg/RPM-GPG-KEY-AlmaLinux Download: AlmaLinux Download: pgp.mit.edu

5E9B 8F56 17B5 066C E920 57C3 488F CF7C 3ABB 34F8

Security Mailing List

To receive security updates and errata, users can sign up for the AlmaLinux Security Mailing List. Subscribing to the list will allow users to stay informed and updated on any security fixes as soon as they are available.

OpenSCAP and SCAP Workbench

The Security Content Automation Protocol (SCAP) automates vulnerability management, measurement, and policy compliance evaluation of systems. AlmaLinux OS offers an OpenSCAP Guide that instructs on how to use the OpenSCAP and SCAP Workbench to audit your AlmaLinux system security compliance.

AlmaLinux OS also has the availability of the CIS Benchmark.


The Open Vulnerability and Assessment Language (OVAL), offers publicly accessible security information. This includes AlmaLinux OS 8 and 9, which have available public OVAL streams.

You can find more about OVAL Streams on the AlmaLinux OVAL Wiki Page.


The Software Bill of Materials (SBOM) provides a comprehensive list of third-party and open-source components in a codebase, including version numbers, licensing information, and potential vulnerabilities. AlmaLinux Build System has implemented SBOM into its pipeline for security purposes, such as tracing the build process, making it more secure, and reducing the risk of data corruption. Ďalšie informácie about SBOM and CAS integration with AlmaLinux.
AlmaLinux OS also provides AlmaLinux SBOM User Guide