A flaw was found in QEMU. When reading input audio in the virtio-snd device input callback, the `virtio_snd_pcm_in_cb` function did not check whether the iov could fit the data buffer, potentially leading to a heap out-of-bounds write. This issue exists due to an incomplete fix for CVE-2024-7730.

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Fixes

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History

Mon, 22 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 19 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
Title qemu-kvm: virtio-snd: heap buffer overflow in virtio_snd_pcm_in_cb (incomplete fix for CVE-2024-7730) Qemu-kvm: virtio-snd: heap buffer overflow in virtio_snd_pcm_in_cb (incomplete fix for cve-2024-7730)
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References

Wed, 04 Mar 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Qemu
Qemu qemu
Vendors & Products Qemu
Qemu qemu

Tue, 03 Mar 2026 00:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in QEMU. When reading input audio in the virtio-snd device input callback, the `virtio_snd_pcm_in_cb` function did not check whether the iov could fit the data buffer, potentially leading to a heap out-of-bounds write. This issue exists due to an incomplete fix for CVE-2024-7730.
Title qemu-kvm: virtio-snd: heap buffer overflow in virtio_snd_pcm_in_cb (incomplete fix for CVE-2024-7730)
Weaknesses CWE-122
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Important


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published:

Updated: 2026-06-22T15:54:33.694Z

Reserved: 2026-02-25T10:54:05.926Z

Link: CVE-2026-3195

cve-icon Vulnrichment

Updated: 2026-06-22T15:54:28.068Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Important

Publid Date: 2026-02-20T00:00:00Z

Links: CVE-2026-3195 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-03T08:47:05Z

Weaknesses