CVE-2016-3136

medium

Published 2016-05-02 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

4.6

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.6

Description

The mct_u232_msr_to_state function in drivers/usb/serial/mct_u232.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted USB device without two interrupt-in endpoint descriptors.

Predictions

Exploit likelihood

46%

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.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-39541 dos linux

OpenSource Security · 2016-03-09

Linux Kernel 3.10.0 (CentOS / RHEL 7.1) - 'mct_u232' Nullpointer Dereference

Source code queued for fetch — refresh in a moment.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`4.5.1-1`
debian	bullseye	fixed	`4.5.1-1`
debian	forky	fixed	`4.5.1-1`
debian	sid	fixed	`4.5.1-1`
debian	trixie	fixed	`4.5.1-1`
suse	12.0	affected
ubuntu	12.04	affected
ubuntu	14.04	affected
linux-kernel		affected

Application impact

Vendor	Product	Versions	Fixed
novell	suse_linux_enterprise_software_development_kit	`12.0`

References

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

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