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Fedora 42: Critical docker-buildkit Update to Address Cross-Origin Bypass

fedora
Calendar Grey October 10, 2025
Dist Fedora Esm H88
-------------------------------------------------------------------------------- Fedora Update Notif
Update to release v0.25.0 Resolves: rhbz#2399354, rhbz#2399081, rhbz#2398678, rhbz#2398424 Upstream feature additions and fixes

Summary

Concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit.

Update Information:

Update to release v0.25.0 Resolves: rhbz#2399354, rhbz#2399081, rhbz#2398678, rhbz#2398424 Upstream feature additions and fixes

Topics%20covered

Topics Covered

security advisory fedora important bypass cross-origin docker-buildkit

Change Log

* Tue Sep 30 2025 Bradley G Smith - 0.25.0-1 - Update to release v0.25.0 - Resolves: rhbz#2399354, rhbz#2399081, rhbz#2398678, rhbz#2398424 - Upstream feature additions and fixes

References


[ 1 ] Bug #2398424 - CVE-2025-47910 docker-buildkit: CrossOriginProtection bypass in net/http [fedora-41] https://bugzilla.redhat.com/show_bug.cgi?id=2398424 [ 2 ] Bug #2398678 - CVE-2025-47910 docker-buildkit: CrossOriginProtection bypass in net/http [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2398678 [ 3 ] Bug #2399081 - CVE-2025-47906 docker-buildkit: Unexpected paths returned from LookPath in os/exec [fedora-41] https://bugzilla.redhat.com/show_bug.cgi?id=2399081 [ 4 ] Bug #2399354 - CVE-2025-47906 docker-buildkit: Unexpected paths returned from LookPath in os/exec [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2399354

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-0226657320' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
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Critical

Name: docker-buildkit
Product: Fedora 42
Version: 0.25.0
Release: 1.fc42
URL: https://github.com/moby/buildkit
Summary: Concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit

Topics%20covered

Topics Covered

security advisory fedora important bypass cross-origin docker-buildkit

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