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Fencer Vulns
medium 4.6

CVE-2016-2187 json

The gtco_probe function in drivers/input/tablet/gtco.c in the Linux kernel through 4.5.2 allows physically proximate attackers to cause a d…

published 2016-05-02 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3272

cvss
4.6
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

The gtco_probe function in drivers/input/tablet/gtco.c in the Linux kernel through 4.5.2 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a crafted endpoints value in a USB device descriptor.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.5.2-1

debian advisories DEBIAN-CVE-2016-2187

  • linux Ubuntu 14.04 LTS 3.13.0-87.133
  • linux Ubuntu 16.04 LTS 4.4.0-24.43
  • linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1012.16
  • linux-lts-wily Ubuntu 14.04 LTS 4.2.0-38.45~14.04.1
  • linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-61.69~14.04.1
  • linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-73.95~14.04.1
  • linux-lts-xenial Ubuntu 14.04 LTS 4.4.0-24.43~14.04.1
  • linux-snapdragon Ubuntu 16.04 LTS 4.4.0-1015.18

ubuntu advisories UBUNTU-CVE-2016-2187

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-ec2 SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.86.1
  • kernel-pae SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3 3.0.101-0.47.86.1
  • kernel-xen SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.86.1
  • kernel-syms SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.86.1
  • kernel-trace SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.86.1
  • kernel-bigsmp SLES 11 SP3-LTSS, OpenStack Cloud 5, Manager Proxy 2.1 +1 more 3.0.101-0.47.86.1
  • kernel-source SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.86.1
  • kernel-default SLES 11 SP3-LTSS, SLE Point of Sale 11 SP3, OpenStack Cloud 5 +2 more 3.0.101-0.47.86.1

suse advisories SUSE-SU-2017:0333-1SUSE-SU-2016:2245-1SUSE-SU-2016:1985-1SUSE-SU-2016:1672-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-2187 updated cvss 4.9

kernel: Kernel panic on invalid USB device descriptor (gtco driver)

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 5 kernel
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.6 CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.