Description
Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. An attacker could use this to overwrite arbitrary files or execute arbitrary code.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Ubuntu | libvirt | unspecified – < 6.0.0-0ubuntu8.3 | 6.0.0-0ubuntu8.3 |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libvirt | 6.0.0-0ubuntu8.3 | USN-4452-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | libvirt | 6.0.0-13.8.1 | SUSE-SU-2020:2970-1 |
| SLES 15 SP1 | libvirt | 5.1.0-8.24.1 | SUSE-SU-2020:3037-1 |
| SLES 15 | libvirt | 4.0.0-9.35.1 | SUSE-SU-2020:2969-1 |
| SLES 12 SP5 | libvirt | 5.1.0-13.19.1 | SUSE-SU-2020:3039-1 |
| SLES 12 SP4 | libvirt | 4.0.0-8.23.1 | SUSE-SU-2020:3038-1 |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libvirt | 3.3.0-5.46.1 | SUSE-SU-2020:3095-1 |
| SLES 12 SP2 | libvirt | 2.0.0-27.64.1 | SUSE-SU-2020:3143-1 |
| SLES for SAP 15 | libvirt | 4.0.0-9.35.1 | SUSE-SU-2020:2969-1 |
| SLES for SAP 12 SP5 | libvirt | 5.1.0-13.19.1 | SUSE-SU-2020:3039-1 |
| SLES for SAP 12 SP4 | libvirt | 4.0.0-8.23.1 | SUSE-SU-2020:3038-1 |
| SLES for SAP 12 SP3 | libvirt | 3.3.0-5.46.1 | SUSE-SU-2020:3095-1 |
| SLES for SAP 12 SP2 | libvirt | 2.0.0-27.64.1 | SUSE-SU-2020:3143-1 |
| SLE HPC 15 | libvirt | 4.0.0-9.35.1 | SUSE-SU-2020:2969-1 |
| SUSE OpenStack Cloud Crowbar 9 | libvirt | 4.0.0-8.23.1 | SUSE-SU-2020:3038-1 |
| SUSE OpenStack Cloud Crowbar 8 | libvirt | 3.3.0-5.46.1 | SUSE-SU-2020:3095-1 |
| SUSE OpenStack Cloud 9 | libvirt | 4.0.0-8.23.1 | SUSE-SU-2020:3038-1 |
| SUSE OpenStack Cloud 8 | libvirt | 3.3.0-5.46.1 | SUSE-SU-2020:3095-1 |
| SUSE OpenStack Cloud 7 | libvirt | 2.0.0-27.64.1 | SUSE-SU-2020:3143-1 |
| SUSE HPE Helion OpenStack 8 | libvirt | 3.3.0-5.46.1 | SUSE-SU-2020:3095-1 |
| SUSE Enterprise Storage 5 | libvirt | 3.3.0-5.46.1 | SUSE-SU-2020:3095-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libvirt | 7.7.0-2.1 | openSUSE-SU-2024:11008-1 |
| openSUSE Leap 15.2 | libvirt | 6.0.0-lp152.9.6.2 | openSUSE-SU-2020:1777-1 |
| openSUSE Leap 15.1 | libvirt | 5.1.0-lp151.7.10.1 | openSUSE-SU-2020:1778-1 |
Advisories 11
- USN-4452-1 libvirt vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2020:3037-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3143-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2970-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3038-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11008-1 libvirt-7.7.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1778-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1777-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3039-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2969-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3095-1 Security update for libvirt SUSE / openSUSE Security Updates · Feb 4, 2026