Bug 2387590

Summary:	CVE-2025-8860 qemu: uefi-vars: information disclosure vulnerability in uefi_vars_write callback [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	qemu	Assignee:	Mauro Matteo Cascella <mcascell>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	low	Docs Contact:
Priority:	low
Version:	43	CC:	berrange, cfergeau, crobinso, mcascell, pbonzini, philmd, rjones, suraj.ghimire7, virt-maint
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["75f6ea29-5638-422c-8db0-6473b19ebb57"]}
Fixed In Version:	qemu-10.1.0-6.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2025-09-16 00:19:09 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:	2387588

Description Mauro Matteo Cascella 2025-08-11 10:49:47 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Mauro Matteo Cascella 2025-08-24 14:56:58 UTC

Upstream fix:
https://gitlab.com/qemu-project/qemu/-/commit/f757d9d90d19b914d4023663bfc4da73bbbf007e

Comment 2 Cole Robinson 2025-09-03 20:04:42 UTC

This is fixed in rawhide/f43 now, and those are the only versions affected, so closing this.

Comment 3 Fedora Update System 2025-09-03 20:06:10 UTC

FEDORA-2025-9807736997 (qemu-10.1.0-5.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-9807736997

Comment 4 Fedora Update System 2025-09-05 01:29:48 UTC

FEDORA-2025-b8b6acb283 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-b8b6acb283`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-b8b6acb283

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

Comment 5 Fedora Update System 2025-09-16 00:19:09 UTC

FEDORA-2025-b8b6acb283 (qemu-10.1.0-6.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.