Is CVE-2015-8816 in the CISA KEV catalog?

No. CVE-2015-8816 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8816?

CVE-2015-8816 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2015-8816?

CVE-2015-8816 has an EPSS score of 0.54% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8816?

Upgrade linux on debian 11 to 4.4.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-8816

MEDIUM

6.8

CVSS v3

NVD

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.

How to fix

Remediation Available

linuxDebian

Fixed in:4.4.2-1CVE-2015-8816

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

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

Exploit Intelligence

0.54%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Embed a live status badge for CVE-2015-8816

Markdown

[![CVE-2015-8816](https://tridentstack.com/cve/badge/CVE-2015-8816.svg)](https://tridentstack.com/cve/CVE-2015-8816)

HTML

<a href="https://tridentstack.com/cve/CVE-2015-8816"><img src="https://tridentstack.com/cve/badge/CVE-2015-8816.svg" alt="CVE-2015-8816"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.