HOMEVULNERABILITIESCVE-2015-8816
MEDIUM

CVE-2015-8816

NVD-CWE-OtherPublished: April 27, 2016· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official Description

The hub_activate function in drivers/usb/core/hub.c in the Linux kernel before 4.3.5 does not properly maintain a hub-interface data structure, which allows physically proximate attackers to cause a denial of service (invalid memory access and system crash) or possibly have unspecified other impact by unplugging a USB hub device.

NVD Source

Technical Analysis

CVE-2015-8816 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Linux1 product(s)
linux kernel
novell8 product(s)
suse linux enterprise software development kitsuse linux enterprise debuginfosuse linux enterprise desktopsuse linux enterprise live patchingsuse linux enterprise module for public cloudsuse linux enterprise real time extensionsuse linux enterprise serversuse linux enterprise workstation extension
SUSE2 product(s)
linux enterprise live patchinglinux enterprise server
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (54)

Quick Facts

CVE IDCVE-2015-8816
CVSS Score6.8 / 10
SeverityMEDIUM
CISA KEVNo
Affected3 vendor(s)
PublishedApr 27, 2016

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2015-8816 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.