CVE-2009-4067: linux linux_kernel
Vulnerability summary
CVE-2009-4067 is a high (CVSS 7.2) vulnerability in linux linux_kernel. EPSS estimates a 2.06% chance of exploitation in the next 30 days, higher than 81.3% of scored vulnerabilities. 2 public exploits are recorded.
Not severe (CVSS 6.8, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 11-02-2020PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.06%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.06% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
2 foundExploit Reference (labs.mwrinfosecurity.com)
Maturity: unknown
Linux Kernel 2.6.26 - Auerswald USB Device Driver Buffer Overflow (PoC)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel< 2.6.27
Redhat1 product
- enterprise_linuxEOL4.0
2 vendors · 2 products
References
2 links- labs.mwrinfosecurity.com/files/Advisories/mwri_linux-usb-buffer-overflow_2009-10-29.pdfX Refsource MISCExploitTechnical DescriptionThird Party Advisory