CVE-2009-4067 Memory corruption in n/a

What is CVE-2009-4067?

CVE-2009-4067 is a medium-severity memory corruption vulnerability in Linux kernel, published on 11 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-120

Which versions are affected by CVE-2009-4067?

It affects 2 products.

Products include Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2009-4067?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-4067 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-4067 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-p3pg-j7qj-fx26.