Bug 2489939 - CVE-2026-39828 docker-buildkit: golang.org/x/crypto/ssh: Unauthorized command execution via discarded SSH permissions [fedora-all]
Summary: CVE-2026-39828 docker-buildkit: golang.org/x/crypto/ssh: Unauthorized command...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: docker-buildkit
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Brad Smith
QA Contact:
URL:
Whiteboard: {"flaws": ["02803e63-7960-44ab-924d-a...
Depends On:
Blocks: CVE-2026-39828
TreeView+ depends on / blocked
 
Reported: 2026-06-17 16:14 UTC by Isaiah Johnson
Modified: 2026-06-27 01:11 UTC (History)
3 users (show)

Fixed In Version: docker-buildkit-0.31.0-1.fc45 docker-buildkit-0.31.0-1.fc43 docker-buildkit-0.31.0-1.fc44
Clone Of:
Environment:
Last Closed: 2026-06-18 15:31:49 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Isaiah Johnson 2026-06-17 16:14:09 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-06-18 14:03:27 UTC
FEDORA-2026-c6481c190e (docker-buildkit-0.31.0-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-c6481c190e

Comment 2 Fedora Update System 2026-06-18 14:32:02 UTC
FEDORA-2026-1e00728616 (docker-buildkit-0.31.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1e00728616

Comment 3 Fedora Update System 2026-06-18 15:15:02 UTC
FEDORA-2026-1a714d39b0 (docker-buildkit-0.31.0-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1a714d39b0

Comment 4 Fedora Update System 2026-06-18 15:31:49 UTC
FEDORA-2026-c6481c190e (docker-buildkit-0.31.0-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-06-19 01:40:15 UTC
FEDORA-2026-1a714d39b0 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-1a714d39b0`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1a714d39b0

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-06-19 19:01:39 UTC
FEDORA-2026-1e00728616 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-1e00728616`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1e00728616

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2026-06-27 00:56:04 UTC
FEDORA-2026-1a714d39b0 (docker-buildkit-0.31.0-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-06-27 01:11:02 UTC
FEDORA-2026-1e00728616 (docker-buildkit-0.31.0-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.


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