Bug 2437310 - CVE-2026-2100 p11-kit: p11-kit: NULL dereference via C_DeriveKey with specific NULL parameters [fedora-43]
Summary: CVE-2026-2100 p11-kit: p11-kit: NULL dereference via C_DeriveKey with specifi...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: p11-kit
Version: 43
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Zoltan Fridrich
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["eaf1dcb7-3a78-4285-8dfe-5...
Depends On:
Blocks: CVE-2026-2100
TreeView+ depends on / blocked
 
Reported: 2026-02-06 12:15 UTC by Michal Findra
Modified: 2026-02-12 00:53 UTC (History)
4 users (show)

Fixed In Version: p11-kit-0.26.2-1.fc43
Clone Of:
Environment:
Last Closed: 2026-02-12 00:53:00 UTC
Type: ---
Embargoed:
fedora-admin-xmlrpc: mirror+


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System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker FC-3102 0 None None None 2026-02-06 12:18:02 UTC

Description Michal Findra 2026-02-06 12:15:14 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 Zoltan Fridrich 2026-02-06 15:32:08 UTC
Thanks for the report!
This CVE has been fixed in upstream by this commit https://github.com/p11-glue/p11-kit/commit/39f3b5ed3deccc2772e21ffb7d269329e3ecb600
I will soon put it into fedora.

Comment 2 Fedora Update System 2026-02-10 16:03:58 UTC
FEDORA-2026-f1fabb2a49 (p11-kit-0.26.2-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f1fabb2a49

Comment 3 Fedora Update System 2026-02-10 16:04:09 UTC
FEDORA-2026-7982f70f74 (p11-kit-0.26.2-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-7982f70f74

Comment 4 Fedora Update System 2026-02-11 01:11:48 UTC
FEDORA-2026-f1fabb2a49 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-f1fabb2a49`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f1fabb2a49

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

Comment 5 Fedora Update System 2026-02-11 05:38:11 UTC
FEDORA-2026-7982f70f74 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-7982f70f74`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-7982f70f74

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

Comment 6 Fedora Update System 2026-02-12 00:53:00 UTC
FEDORA-2026-f1fabb2a49 (p11-kit-0.26.2-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.


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