SUSE-SU-2026:20050-1: moderate: Security update for libvirt

[SLE-SECURITY-UPDATES]

# Security update for libvirt

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

  * bsc#1235079
  * bsc#1253278
  * bsc#1253703

  
Cross-References:

  * 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.

## Description:

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  
    zypper in -t patch SUSE-SLE-Micro-6.0-555=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libvirt-client-qemu-10.0.0-4.1
    * libvirt-daemon-driver-storage-core-10.0.0-4.1
    * libvirt-daemon-driver-nodedev-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-storage-iscsi-direct-debuginfo-10.0.0-4.1
    * libvirt-libs-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-secret-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-qemu-10.0.0-4.1
    * libvirt-daemon-proxy-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-nwfilter-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-storage-logical-debuginfo-10.0.0-4.1
    * libvirt-daemon-plugin-lockd-debuginfo-10.0.0-4.1
    * libvirt-nss-10.0.0-4.1
    * libvirt-daemon-proxy-10.0.0-4.1
    * libvirt-daemon-driver-storage-iscsi-direct-10.0.0-4.1
    * libvirt-daemon-driver-storage-disk-10.0.0-4.1
    * libvirt-nss-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-nwfilter-10.0.0-4.1
    * libvirt-daemon-driver-secret-10.0.0-4.1
    * libvirt-daemon-driver-storage-logical-10.0.0-4.1
    * libvirt-daemon-plugin-lockd-10.0.0-4.1
    * libvirt-daemon-driver-storage-disk-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-storage-iscsi-10.0.0-4.1
    * libvirt-daemon-log-debuginfo-10.0.0-4.1
    * libvirt-daemon-lock-10.0.0-4.1
    * libvirt-daemon-driver-storage-core-debuginfo-10.0.0-4.1
    * libvirt-daemon-log-10.0.0-4.1
    * libvirt-debugsource-10.0.0-4.1
    * libvirt-daemon-10.0.0-4.1
    * libvirt-daemon-common-10.0.0-4.1
    * libvirt-daemon-debuginfo-10.0.0-4.1
    * libvirt-daemon-common-debuginfo-10.0.0-4.1
    * libvirt-daemon-qemu-10.0.0-4.1
    * libvirt-daemon-driver-storage-iscsi-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-network-10.0.0-4.1
    * libvirt-daemon-driver-storage-mpath-10.0.0-4.1
    * libvirt-client-10.0.0-4.1
    * libvirt-daemon-lock-debuginfo-10.0.0-4.1
    * libvirt-daemon-hooks-10.0.0-4.1
    * libvirt-daemon-driver-storage-scsi-10.0.0-4.1
    * libvirt-client-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-network-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-qemu-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-nodedev-10.0.0-4.1
    * libvirt-daemon-driver-storage-scsi-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-storage-mpath-debuginfo-10.0.0-4.1
    * libvirt-libs-10.0.0-4.1
    * libvirt-daemon-config-network-10.0.0-4.1
    * libvirt-daemon-driver-storage-10.0.0-4.1
  * SUSE Linux Micro 6.0 (aarch64 x86_64)
    * libvirt-daemon-driver-storage-rbd-debuginfo-10.0.0-4.1
    * libvirt-daemon-driver-storage-rbd-10.0.0-4.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-12748.html
  * https://www.suse.com/security/cve/CVE-2025-13193.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1235079
  * https://bugzilla.suse.com/show_bug.cgi?id=1253278
  * https://bugzilla.suse.com/show_bug.cgi?id=1253703

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