Packages
- libvirt - Libvirt virtualization toolkit
Details
It was discovered that libvirt parsed user-provided XML files before
performing ACL checks. An attacker could possibly use this issue to cause
libvirt to consume memory, resulting in a denial of service.
(CVE-2025-12748)
It was discovered that libvirt incorrectly handled permissions on external
inactive snapshots. A local attacker could possibly use this issue to
obtain sensitive guest contents. (CVE-2025-13193)
It was discovered that libvirt parsed user-provided XML files before
performing ACL checks. An attacker could possibly use this issue to cause
libvirt to consume memory, resulting in a denial of service.
(CVE-2025-12748)
It was discovered that libvirt incorrectly handled permissions on external
inactive snapshots. A local attacker could possibly use this issue to
obtain sensitive guest contents. (CVE-2025-13193)
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.10 questing | libvirt-daemon – 11.6.0-1ubuntu3.2 | ||
| libvirt-daemon-system – 11.6.0-1ubuntu3.2 | |||
| libvirt0 – 11.6.0-1ubuntu3.2 | |||
| 25.04 plucky | libvirt-daemon – 11.0.0-2ubuntu6.5 | ||
| libvirt-daemon-system – 11.0.0-2ubuntu6.5 | |||
| libvirt0 – 11.0.0-2ubuntu6.5 | |||
| 24.04 LTS noble | libvirt-daemon – 10.0.0-2ubuntu8.11 | ||
| libvirt-daemon-system – 10.0.0-2ubuntu8.11 | |||
| libvirt0 – 10.0.0-2ubuntu8.11 | |||
| 22.04 LTS jammy | libvirt-daemon – 8.0.0-1ubuntu7.15 | ||
| libvirt-daemon-system – 8.0.0-1ubuntu7.15 | |||
| libvirt0 – 8.0.0-1ubuntu7.15 | |||
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