How to check the CVE status in OpenSTLinux

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Applicable for

STM32MP13x lines, STM32MP15x lines

1. Overview[edit source]

This article explains how to configure OpenSTLinux Yocto build to check CVE (Common Vulnerabilities and Exposures) status.

2. OpenEmbedded/Yocto[edit source]

OpenEmbedded/Yocto provides a class which permits to check CVE status.
To enable a check for CVE status, add on your configuration (conf/local.conf):

INHERIT += "cve-check"

For more information about how to configure exclusions for CVE check, see the section Vulnerability check at build time

The CVE check generates some CVE status by package on <build directory>/tmp-glibc/deploy/cve/ directory.
Example for tf-a-stm32mp:

tf-a-stm32mp tf-a-stm32mp_cve.json

The two files contains the same information but first one stored as text content and second one as json.