CVE-2011-2189
HIGH · CVSS 7.5EPSS 17.9%EU EUVD
net/core/net_namespace.c in the Linux kernel 2.6.32 and earlier does not properly handle a high rate of creation and cleanup of network namespaces, which makes it easier for remote attackers to cause a denial of service (memory consumption) via requests to a daemon that requires a separate namespace per connection, as demonstrated by vsftpd.
Key facts
- CVSS score
- 7.5 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
- CWE-400
- EPSS score
- 17.9% (97th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2180)
- Published
- October 10, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2180 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- debian / debian linux
- debian / debian linux
- linux / linux kernel
- redhat / enterprise linux
- redhat / enterprise mrg
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629373(Exploit, Mailing List, Third Party Advisory)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b035b39970740722598f7a9d548835f9bdd730f
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f875bae065334907796da12523f9df85c89f5712
- http://ie.archive.ubuntu.com/linux/kernel/v2.6/ChangeLog-2.6.33(Broken Link)
- http://kerneltrap.org/mailarchive/git-commits-head/2009/12/8/15289(Broken Link)
- http://neil.brown.name/git?p=linux-2.6%3Ba=patch%3Bh=2b035b39970740722598f7a9d548835f9bdd730f
- http://patchwork.ozlabs.org/patch/88217/(Mailing List, Patch, Third Party Advisory)
- http://www.debian.org/security/2011/dsa-2305(Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2011/06/06/10(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2011/06/06/20(Mailing List, Third Party Advisory)
- http://www.ubuntu.com/usn/USN-1288-1(Third Party Advisory)
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/720095(Exploit, Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=711134(Exploit, Issue Tracking, Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=711245(Exploit, Issue Tracking, Patch, Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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