Is CVE-2009-4067 being actively exploited?

CVE-2009-4067 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4067?

CVE-2009-4067 has a CVSS 3.1 base score of 6.8 (MEDIUM).

CVE-2009-4067

MEDIUM · CVSS 6.8EPSS 2.1%EU EUVD

Buffer overflow in the auerswald_probe function in the Auerswald Linux USB driver for the Linux kernel before 2.6.27 allows physically proximate attackers to execute arbitrary code, cause a denial of service via a crafted USB device, or take full control of the system.

Key facts

CVSS score: 6.8 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-120
EPSS score: 2.1% (81th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4038)
Published: February 11, 2020
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4038 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel
redhat / enterprise linux

Certified products that may be affected

8 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux Kernel Crypto API Cryptographic Module v4.0 with CPACF - Red Hat®, Inc. - FIPS 140 2798 - historical
Red Hat Enterprise Linux Kernel Crypto API Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2742 - historical
Red Hat Enterprise Linux Libreswan Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2721 - historical
Red Hat Enterprise Linux NSS Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2711 - historical
Red Hat Enterprise Linux libgcrypt Cryptographic Module v4.0 [1] and Red Hat Enterprise Linux libgcrypt Cryptographic Module v5.0 [2] - Red Hat®, Inc. - FIPS 140 2657 - historical

See all 8 in the Security Certifications Explorer.

References

http://labs.mwrinfosecurity.com/files/Advisories/mwri_linux-usb-buffer-overflow_2009-10-29.pdf(Exploit, Technical Description, Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=722393(Issue Tracking, Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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