Description
A flaw was found in libvirt. External inactive snapshots for shut-down VMs are incorrectly created as world-readable, making it possible for unprivileged users to inspect the guest OS contents. This results in an information disclosure vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libvirt | < 11.10.0 | 11.10.0 |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
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 | 11.10.0-1 | — |
| Debian 13 | libvirt | 11.3.0-3+deb13u2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | libvirt | 11.6.0-1ubuntu7 | USN-8652-1 |
| Ubuntu 25.10 | libvirt | 11.6.0-1ubuntu3.2 | — |
| Ubuntu 24.04 LTS | libvirt | 10.0.0-2ubuntu8.11 | USN-8652-1 |
| Ubuntu 22.04 LTS | libvirt | 8.0.0-1ubuntu7.15 | USN-8652-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | libvirt | 6.0.0-0ubuntu8.20+esm1 | USN-8652-1 |
| Ubuntu Pro 18.04 LTS | libvirt | 4.0.0-1ubuntu8.21+esm1 | USN-8652-1 |
| Ubuntu Pro 16.04 LTS | libvirt | 1.3.1-1ubuntu10.31+esm1 | USN-8652-1 |
| Ubuntu Pro 14.04 LTS | libvirt | 1.2.2-0ubuntu13.1.28+esm2 | USN-8652-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libvirt | 11.0.0-150700.4.13.1 | SUSE-SU-2026:0279-1 |
| SLES 12 SP5 | libvirt | 5.1.0-13.45.1 | SUSE-SU-2026:0193-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | libvirt | 11.4.0-160000.3.1 | SUSE-SU-2025:21150-1 |
| SLES 16.0 | libvirt | 11.4.0-160000.3.1 | SUSE-SU-2025:21150-1 |
| SLE Micro 6.2 | libvirt | 11.4.0-160000.3.1 | SUSE-SU-2025:21082-1 |
| SLE Micro 6.1 | libvirt | 10.0.0-slfo.1.1_2.1 | SUSE-SU-2026:21263-1 |
| SLE Micro 6.0 | libvirt | 10.0.0-4.1 | SUSE-SU-2026:20050-1 |
| SLE Micro 5.5 | libvirt | 9.0.0-150500.6.26.1 | SUSE-SU-2026:0080-1 |
| SLE Micro 5.4 | libvirt | 8.0.0-150400.7.14.1 | SUSE-SU-2026:0375-1 |
| SLE Micro 5.3 | libvirt | 8.0.0-150400.7.14.1 | SUSE-SU-2026:0375-1 |
| SLE Micro 5.2 | libvirt | 7.1.0-150300.6.44.1 | SUSE-SU-2026:0079-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libvirt | 11.9.0-2.1 | openSUSE-SU-2025:15746-1 |
| openSUSE Leap 16.0 | libvirt | 11.4.0-160000.3.1 | openSUSE-SU-2025:20100-1 |
| openSUSE Leap 15.6 | libvirt | 10.0.0-150600.8.12.1 | SUSE-SU-2026:0068-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libvirt | 11.10.0-r0 | — |
| Alpine v3.23 | libvirt | 11.10.0-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libvirt | 10.0.0-6 | — |
Advisories 14
- WID-SEC-2025-2616 libvirt: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Sep 7, 2026
- USN-8652-1 libvirt vulnerabilities Ubuntu Security Notices (USN) · Aug 20, 2026
- SUSE-SU-2026:21263-1 Security update for libvirt SUSE / openSUSE Security Updates · Apr 24, 2026
- openSUSE-SU-2025:20100-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15746-1 libvirt-11.9.0-2.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20050-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0375-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0279-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0068-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0079-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0080-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21150-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21082-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0193-1 Security update for libvirt SUSE / openSUSE Security Updates · Mar 23, 2026
References
- https://access.redhat.com/security/cve/CVE-2025-13193 vdb-entry
- RHBZ#2415409 issue-tracking