CVE-2016-2782

MEDIUM

Linux Kernel < 4.5 - Denial of Service via USB Device with Missing Endpoints

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-2782. PoCs published by OpenSource Security.

AI-analyzed exploit summary This exploit demonstrates a local denial-of-service (DoS) vulnerability in the Linux kernel's visor (treo_attach) driver due to a null pointer dereference. The PoC uses a malformed USB device descriptor to trigger a kernel panic on RHEL 7.1 systems.

Description

The treo_attach function in drivers/usb/serial/visor.c in the Linux kernel before 4.5 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a (1) bulk-in or (2) interrupt-in endpoint.

Exploits (1)

exploitdb WORKING POC
by OpenSource Security · textdoslinux
https://www.exploit-db.com/exploits/39539

This exploit demonstrates a local denial-of-service (DoS) vulnerability in the Linux kernel's visor (treo_attach) driver due to a null pointer dereference. The PoC uses a malformed USB device descriptor to trigger a kernel panic on RHEL 7.1 systems.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Linux kernel 3.10.0-229.20.1.el7.x86_64 (RHEL 7.1)
No auth needed
Prerequisites: Physical access to the target system · Arduino Leonardo with custom firmware
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (21)

Core 21
Core References
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2930-1
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2967-1
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2930-2
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39539/
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2967-2
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2930-3
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/02/28/9
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2929-1
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2932-1
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2948-1
Exploit, Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1312670
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2929-2
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2948-2

Scores

CVSS v3 4.6
EPSS 0.0165
EPSS Percentile 73.4%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (12)
linux/linux_kernel 4.5.0 rc1
linux/linux_kernel < 4.5.0
suse/linux_enterprise_debuginfo 11 sp2 (2 CPE variants)
suse/linux_enterprise_desktop 12 (2 CPE variants)
suse/linux_enterprise_module_for_public_cloud 12
suse/linux_enterprise_real_time_extension 11 sp4
suse/linux_enterprise_real_time_extension 12 sp1
suse/linux_enterprise_server 11 sp2 (2 CPE variants)
suse/linux_enterprise_server 12 (2 CPE variants)
suse/linux_enterprise_software_development_kit 11 sp4
... and 2 more
Published Apr 27, 2016
Tracked Since Feb 18, 2026