Yep 4.0.4 Fix May 2026

: Addresses five separate security flaws (CVE-2021-3507 through CVE-2022-0358) related to virtualization and hardware emulation.

: Confirm you are targeting the 4.0.4 branch in your configuration files. Yep 4.0.4 fix

: Patches CVE-2022-35252 to improve the security of data transfers. Yep 4.0.4 fix

The following critical CVEs (Common Vulnerabilities and Exposures) have been patched in this version: Yep 4.0.4 fix

Yocto 4.0.4 is a maintenance release for the Kirkstone series, primarily focused on Security Fixes for various system utilities and libraries.