UBUNTU-CVE-2011-4600

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2011-4600
Downstream
USN-2867-1
Published: 31 Dec 2011, 00:00
Last modified:04 Feb 2026, 04:04

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
5.9 MEDIUM
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

31 Dec 2011, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 04:04
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Systems

  • ubuntu•libvirt

    < 1.2.2-0ubuntu13.1.14

References (3)