Bug 2443814

Summary: CVE-2026-3196 qemu: virtio-snd: integer overflow leading to unbounded memory allocation [fedora-all]
Product: [Fedora] Fedora Reporter: Mauro Matteo Cascella <mcascell>
Component: qemuAssignee: Mauro Matteo Cascella <mcascell>
Status: POST --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 45CC: berrange, cfergeau, crobinso, mcascell, pbonzini, philmd, rjones, suraj.ghimire7, virt-maint
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["d53fd9ae-0141-43f1-aab7-8a3b0f293438"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2443789    

Description Mauro Matteo Cascella 2026-03-02 13:15:49 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 Mauro Matteo Cascella 2026-03-02 13:17:57 UTC 
Upstream patch series:
https://lore.kernel.org/qemu-devel/20260220-virtio-snd-series-v1-0-207c4f7200a2@linaro.org/

QEMU fix commit:
https://gitlab.com/qemu-project/qemu/-/commit/61679d7dcfa2dffc8fb115aa19b09e0e7cf5ea5c
Comment 2 Aoife Moloney 2026-08-17 14:15:22 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.