CVE-2016-8668

medium
Published 2016-11-04 ยท Modified 2026-05-06
CVSS v3
6.0
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
6.0

Description

The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging failure to limit DMA buffer size.

Predictions

Exploit likelihood
60%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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

suse SUSE Affected 1 release
VersionStatusFixed in
42.2 Affected โ€”
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1:2.8+dfsg-1
sid Fixed 1:2.8+dfsg-1
forky Fixed 1:2.8+dfsg-1
bullseye Fixed 1:2.8+dfsg-1
bookworm Fixed 1:2.8+dfsg-1

Application impact

VendorProductVersionsFixed
qemuqemu{"endIncluding":"2.7.1"}

References

CWEs

CWE-120

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

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