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SUSE: libvirt Moderate Security Update CVE-2025-12748, CVE-2025-13193

suse
Calendar Grey January 15, 2026
Dist Suse Esm H88
Update resolves two issues in libvirt, addressing memory consumption and unauthorized access risks.
An update that solves two vulnerabilities and has one fix can now be installed.

Summary

## This update for libvirt fixes the following issues: Security issues fixed: * CVE-2025-13193: external inactive snapshots for shut-down VMs that are incorrectly created as world-readable allow unprivileged users to inspect guest OS contents (bsc#1253703). * CVE-2025-12748: parsing of user-provided XML files before ACL checks can lead to excessive memory consumption and a crash when processing a specially crafted XML file (bsc#1253278). Other updates and bugfixes: * apparmor: Fix probing of apparmor availability on the VM host when using modular daemons (bsc#1235079). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro 6.0

Topics%20covered

Topics Covered

security advisory moderate unauthorized access SuSE memory consumption libvirt

References

* bsc#1235079

* bsc#1253278

* bsc#1253703

Cross-

* CVE-2025-12748

* CVE-2025-13193

CVSS scores:

* CVE-2025-12748 ( SUSE ): 6.9

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-12748 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-12748 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-13193 ( SUSE ): 5.7

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

* CVE-2025-13193 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

* CVE-2025-13193 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Products:

* SUSE Linux Micro 6.0

An update that solves two vulnerabilities and has one fix can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-12748.html

Announcement ID: SUSE-SU-2026:20050-1
Release Date: 2026-01-09T11:03:16Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate unauthorized access SuSE memory consumption libvirt

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