Description
Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values, as demonstrated by copying and deleting an NFS directory tree.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libvirt | 0.8.3-1 | — |
| Debian 13 | libvirt | 0.8.3-1 | — |
| Debian 12 | libvirt | 0.8.3-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Virtualization 5 | libvirt +2 | 0.6.3-33.el5_5.3 | RHSA-2010:0615 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libvirt | 2.5.0-1.1 | openSUSE-SU-2024:10209-1 |
Advisories 2
- RHSA-2010:0615 Red Hat Security Advisory: libvirt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2024:10209-1 libvirt-2.5.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- ADV-2010-2062 vdb-entry
- http://libvirt.org/news.html
- FEDORA-2010-10960 vendor-advisory
- USN-1008-2 vendor-advisory
- FEDORA-2010-11021 vendor-advisory
- RHSA-2010:0615 vendor-advisory
- https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/591943
- USN-1008-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=602455
- SUSE-SR:2010:017 vendor-advisory
- USN-1008-3 vendor-advisory
- ADV-2010-2763 vdb-entry