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Fencer Intel
medium 6.9

CVE-2011-1146 json

libvirt.c in the API in Red Hat libvirt 0.8.8 does not properly restrict operations in a read-only connection, which allows remote attacker…

published 2011-03-15 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1160

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

libvirt.c in the API in Red Hat libvirt 0.8.8 does not properly restrict operations in a read-only connection, which allows remote attackers to cause a denial of service (host OS crash) or possibly execute arbitrary code via a (1) virNodeDeviceDettach, (2) virNodeDeviceReset, (3) virDomainRevertToSnapshot, (4) virDomainSnapshotDelete, (5) virNodeDeviceReAttach, or (6) virConnectDomainXMLToNative call, a different vulnerability than CVE-2008-5086.

Patch / fix

  • libvirt Debian 14, Debian 13, Debian 12 0.8.8-3

debian advisories DEBIAN-CVE-2011-1146

  • libvirt RHEL 5 VIRTUALIZATION 0.8.2-15.el5_6.3
  • libvirt RHEL 6 0.8.1-27.el6_0.5
  • libvirt-client RHEL 6 0.8.1-27.el6_0.5
  • libvirt-python RHEL 5 VIRTUALIZATION 0.8.2-15.el5_6.3
  • libvirt-python RHEL 6 0.8.1-27.el6_0.5

red hat advisories RHSA-2011:0391

  • libvirt openSUSE Tumbleweed 2.5.0-1.1

opensuse advisories openSUSE-SU-2024:10209-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1146 updated cvss 6.9

libvirt: several API calls do not honour read-only connection

  • Red Hat Enterprise Linux 5 libvirt
    affected: no fix available
  • Red Hat Enterprise Linux Desktop (v. 6) libvirt 0.8.1-27.el6_0.5, libvirt-client 0.8.1-27.el6_0.5, libvirt-python 0.8.1-27.el6_0.5 Red Hat Enterprise Linux Desktop Optional (v. 6) libvirt 0.8.1-27.el6_0.5 Red Hat Enterprise Linux HPC Node (v. 6) libvirt 0.8.1-27.el6_0.5, libvirt-client 0.8.1-27.el6_0.5, libvirt-python 0.8.1-27.el6_0.5 Red Hat Enterprise Linux HPC Node Optional (v. 6) libvirt 0.8.1-27.el6_0.5 Red Hat Enterprise Linux Server (v. 6) libvirt 0.8.1-27.el6_0.5, libvirt-client 0.8.1-27.el6_0.5, libvirt-python 0.8.1-27.el6_0.5 Red Hat Enterprise Linux Workstation (v. 6) libvirt 0.8.1-27.el6_0.5, libvirt-client 0.8.1-27.el6_0.5, libvirt-python 0.8.1-27.el6_0.5
    +1 more products
    Red Hat RHEL Virtualization (v. 5 server) libvirt 0.8.2-15.el5_6.3, libvirt-python 0.8.2-15.el5_6.3
    fixed: vendor fix RHSA-2011:0391

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.