Bug 2375096

Summary: CVE-2025-4437 cri-o1.33: Large /etc/passwd file may lead to Denial of Service [fedora-42]
Product: [Fedora] Fedora Reporter: Marco Benatto <mbenatto>
Component: cri-o1.33Assignee: Brad Smith <bradley.g.smith>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: bradley.g.smith, go-sig
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["82f4f0e6-610d-4d57-986e-618d8298f427"]}
Fixed In Version: cri-o1.33-1.33.5-1.fc44 cri-o1.33-1.33.5-1.fc42 cri-o1.33-1.33.5-1.fc41 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-10-02 17:16:30 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2375084    

Description Marco Benatto 2025-06-26 22:28:08 UTC
More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2375084

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 2025-10-02 17:13:00 UTC
FEDORA-2025-7bc36fec81 (cri-o1.33-1.33.5-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-7bc36fec81

Comment 2 Fedora Update System 2025-10-02 17:16:30 UTC
FEDORA-2025-7bc36fec81 (cri-o1.33-1.33.5-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 3 Fedora Update System 2025-10-02 18:20:52 UTC
FEDORA-2025-5237b2ff57 (cri-o1.33-1.33.5-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-5237b2ff57

Comment 4 Fedora Update System 2025-10-02 18:57:46 UTC
FEDORA-2025-172ba9078e (cri-o1.33-1.33.5-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-172ba9078e

Comment 5 Fedora Update System 2025-10-02 19:13:06 UTC
FEDORA-2025-3976569481 (cri-o1.33-1.33.5-1.fc41) has been submitted as an update to Fedora 41.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-3976569481

Comment 6 Fedora Update System 2025-10-03 01:35:36 UTC
FEDORA-2025-5237b2ff57 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-2025-5237b2ff57`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-5237b2ff57

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

Comment 7 Fedora Update System 2025-10-03 01:58:08 UTC
FEDORA-2025-172ba9078e 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-2025-172ba9078e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-172ba9078e

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

Comment 8 Fedora Update System 2025-10-03 02:23:10 UTC
FEDORA-2025-3976569481 has been pushed to the Fedora 41 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-3976569481`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-3976569481

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

Comment 9 Fedora Update System 2025-10-11 00:57:22 UTC
FEDORA-2025-172ba9078e (cri-o1.33-1.33.5-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2025-10-11 01:02:46 UTC
FEDORA-2025-3976569481 (cri-o1.33-1.33.5-1.fc41) has been pushed to the Fedora 41 stable repository.
If problem still persists, please make note of it in this bug report.