VIR Vulnerability Intelligence Relay

CVE-2016-5403

medium
Published 2016-08-02 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.5

Description

The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.

Predictions

Exploit likelihood
55%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
suse slesaffected
debian debian8.0affected
redhat rhel6.0affected
redhat rhel7.0affected
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu16.04affected
debian debianbookwormfixed1:2.6+dfsg-3.1
debian debianbullseyefixed1:2.6+dfsg-3.1
debian debianforkyfixed1:2.6+dfsg-3.1
debian debiansidfixed1:2.6+dfsg-3.1
debian debiantrixiefixed1:2.6+dfsg-3.1

Application impact
VendorProductVersionsFixed
qemuqemu{"endIncluding":"2.6.0"}
qemuqemu2.7.0
redhat redhatopenstack5.0
redhat redhatopenstack6.0
redhat redhatopenstack7.0
redhat redhatopenstack8
redhat redhatopenstack9
redhat redhatvirtualization3.0

References

CWEs

CWE-400

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.