VIR Vulnerability Intelligence Relay

CVE-2016-2857

high
Published 2016-04-12 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
8.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
8.4

Description

The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.

Predictions

Exploit likelihood
80%
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
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu15.10affected
ubuntu ubuntu16.04affected
debian debian8.0affected
redhat rhel7.0not-affected
redhat rhel6.0not-affected
redhat rhel7.3affected
redhat rhel7.4affected
redhat rhel7.5affected
redhat rhel7.6affected
redhat rhel7.7affected
debian debianbookwormfixed1:2.6+dfsg-1
debian debianbullseyefixed1:2.6+dfsg-1
debian debianforkyfixed1:2.6+dfsg-1
debian debiansidfixed1:2.6+dfsg-1
debian debiantrixiefixed1:2.6+dfsg-1

Application impact
VendorProductVersionsFixed
qemuqemu{"endIncluding":"2.5.1.1"}
redhat redhatopenstack5.0
redhat redhatvirtualization3.0
redhat redhatvirtualization4.0
redhat redhatopenstack6.0
redhat redhatopenstack7.0
redhat redhatopenstack8
redhat redhatopenstack9

References

CWEs

CWE-119

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

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