Bug 2370455

Summary:	CVE-2025-0620 samba: smbd doesn't pick up group membership changes when re-authenticating an expired SMB session [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Pedro Sampaio <psampaio>
Component:	samba	Assignee:	Guenther Deschner <gdeschner>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	42	CC:	abokovoy, anoopcs, asn, gdeschner, pfilipen, sbose, ssorce
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["1fafc890-be60-4a78-8990-dca4d5e07c82"]}
Fixed In Version:	samba-4.22.2-1.fc43 samba-4.22.2-1.fc42	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2025-06-05 20:44:00 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:	2370453

Description Pedro Sampaio 2025-06-05 16:43:25 UTC

More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2370453

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 2025-06-05 19:17:05 UTC

FEDORA-2025-a0d44a3ecf (samba-4.22.2-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-a0d44a3ecf

Comment 2 Fedora Update System 2025-06-05 20:44:00 UTC

FEDORA-2025-a0d44a3ecf (samba-4.22.2-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 3 Fedora Update System 2025-06-05 22:30:27 UTC

FEDORA-2025-68d1e02e61 (samba-4.22.2-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-68d1e02e61

Comment 4 Fedora Update System 2025-06-06 02:22:32 UTC

FEDORA-2025-68d1e02e61 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-2025-68d1e02e61`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-68d1e02e61

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

Comment 5 Fedora Update System 2025-06-07 06:46:57 UTC

FEDORA-2025-68d1e02e61 (samba-4.22.2-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.