CVE-2016-2391

medium

Published 2016-06-16 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

5.0

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.0

Description

The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.

Predictions

Exploit likelihood

50%

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

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Ubuntu Affected 4 releases

Version	Status	Fixed in
16.04	Affected	—
15.10	Affected	—
14.04	Affected	—
12.04	Affected	—

Debian Mixed 6 releases

Version	Status	Fixed in
trixie	Fixed	`1:2.6+dfsg-1`
sid	Fixed	`1:2.6+dfsg-1`
forky	Fixed	`1:2.6+dfsg-1`
bullseye	Fixed	`1:2.6+dfsg-1`
bookworm	Fixed	`1:2.6+dfsg-1`
8.0	Affected	—

Application impact

Vendor	Product	Versions	Fixed
qemu	qemu	`{"endIncluding":"2.5.1.1"}`

References

CWEs

CWE-476

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

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