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CVE-2016-2186

18
FAUCET Score

CVE-2016-2186 describes a denial-of-service vulnerability in the Linux kernel (before version 4.5.1) affecting products from Canonical and Novell. A physically proximate attacker can trigger a NULL pointer dereference and system crash by providing a crafted USB device descriptor. This vulnerability has a medium severity rating (CVSS 4.6), requiring physical access but no user interaction, and resulting in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.5.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:11.0:sp4:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:novell:suse_linux_enterprise_debuginfo:11.0:sp4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.6MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 91st percentile among its peer group of 1,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

github_advisoryvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2016-2186Low

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

Mar 14, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Vendor Advisory
lists.opensuse.org / opensuse-security-announce/2016-05/msg00060.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00052.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-06/msg00054.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-06/msg00056.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-06/msg00059.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-07/msg00005.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-08/msg00038.html
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party AdvisoryVDB Entry
seclists.org / bugtraq/2016/Mar/117
Third Party AdvisoryVDB Entry
seclists.org / bugtraq/2016/Mar/85
ExploitThird Party AdvisoryVDB Entry
github.com / torvalds/linux/commit/9c6ba456711687b794dcf285856fc14e2c76074f
Vendor Advisory
debian.org / security/2016/dsa-3607
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.5.1
securityfocus.com / bid/84337
ubuntu.com / usn/USN-2968-1
ubuntu.com / usn/USN-2968-2
ubuntu.com / usn/USN-2969-1
ubuntu.com / usn/USN-2970-1
ubuntu.com / usn/USN-2971-1
ubuntu.com / usn/USN-2971-2
ubuntu.com / usn/USN-2971-3
ubuntu.com / usn/USN-2996-1
Third Party Advisory
ubuntu.com / usn/USN-2997-1
Third Party Advisory