CVE-2011-4600

mediumpriority · track · 25EPSS 0.018 · 78 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.78% (78th) EPSS

CVSS 4.3 · medium

Is it mine?

38 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedlibvirt-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-0:0.9.4-23.el6_2.4.src as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-0:0.9.4-23.el6_2.4.src as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-client-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-client-0:0.9.4-23.el6_2.4.ppc as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-client-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-client-0:0.9.4-23.el6_2.4.s390 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-client-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-client-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.ppc as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.s390 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-debuginfo-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-devel-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-devel-0:0.9.4-23.el6_2.4.ppc as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-devel-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-devel-0:0.9.4-23.el6_2.4.s390 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-devel-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-devel-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-lock-sanlock-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-lock-sanlock-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-python-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-python-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-python-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013
Fixedlibvirt-python-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)redhat_csaf
Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259
https://access.redhat.com/errata/RHBA-2012:0013

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.6–5.9

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v2.02.6lowAV:N/AC:H/Au:N/C:P/I:N/A:Nsecondary · Red Hat Product Security US

v3.05.4mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USprimary

affected products (38)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
canonical ubuntu linux= 12.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 14.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 15.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 15.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
redhat libvirt= 0.9.8nvdUScpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*
libvirt-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-0:0.9.4-23.el6_2.4.src as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-0:0.9.4-23.el6_2.4.src as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-client-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-client-0:0.9.4-23.el6_2.4.ppc as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-client-0:0.9.4-23.el6_2.4.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-client-0:0.9.4-23.el6_2.4.s390 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-client-0:0.9.4-23.el6_2.4.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-client-0:0.9.4-23.el6_2.4.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-debuginfo-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.2)all versionsfixedredhat_csafUS
libvirt-debuginfo-0:0.9.4-23.el6_2.4.i686 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.2)all versionsfixedredhat_csafUS

showing 20 of 38

advisories (1)

Vendor and ecosystem advisories describing this.

RHBA-2012:0013Red Hat Bug Fix Advisory: libvirt bug fix and enhancement update2012-01-17csaf · redhat_csafUS
Updated libvirt packages that fix multiple bugs and add two enhancements are now available for Red Hat Enterprise Linux 6.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2016-04-14modified 2026-06-16

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references (12)

External citations — patches, advisories, analysis.

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