SUSE alert openSUSE-SU-2026:20281-1 (kubevirt)

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openSUSE-SU-2026:20281-1: important: Security update for kubevirt
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Sat, 28 Feb 2026 17:51:50 +0100
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<20260228165150.DD924FF04@maintenance.suse.de>
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Article
openSUSE security update: security update for kubevirt
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20281-1
Rating: important
References:

  * bsc#1241772
  * bsc#1253181
  * bsc#1253185
  * bsc#1253186
  * bsc#1253189
  * bsc#1253194
  * bsc#1253748
  * bsc#1257128
  * bsc#1257422



Cross-References:

  * CVE-2024-45310
  * CVE-2025-22872
  * CVE-2025-64324
  * CVE-2025-64432
  * CVE-2025-64433
  * CVE-2025-64434
  * CVE-2025-64435
  * CVE-2025-64437



CVSS scores:

  * CVE-2024-45310 ( SUSE ): 3.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
  * CVE-2025-22872 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
  * CVE-2025-22872 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
  * CVE-2025-64324 ( SUSE ): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  * CVE-2025-64324 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2025-64432 ( SUSE ): 5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
  * CVE-2025-64432 ( SUSE ): 5.8 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-64433 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2025-64433 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-64434 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
  * CVE-2025-64434 ( SUSE ): 5.8 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-64435 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-64435 ( SUSE ): 6 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-64437 ( SUSE ): 3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
  * CVE-2025-64437 ( SUSE ): 1.8 CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 8 vulnerabilities and has 9 bug fixes can now be installed.

Description:

This update for kubevirt fixes the following issues:

Update to version 1.7.0 (bsc#1257128).

Security issues fixed:

  - CVE-2025-64435: logic flaw in the virt-controller can lead to incorrect status updates and
potentially causing a DoS
    (bsc#1253189).
  - CVE-2024-45310: kubevirt vendored github.com/opencontainers/runc/libcontainer/utils: runc can
be tricked into
    creating empty files/directories on host (bsc#1257422).
  - CVE-2025-22872: incorrectly interpreted tags can cause content to be placed wrong scope during
DOM construction
    (bsc#1241772).
  - CVE-2025-64432: fail to correctly validate certain fields in the client TLS certificate may
allow an attacker to
    bypass existing RBAC controls (bsc#1253181).
  - CVE-2025-64433: improper symlink handling can allow to read arbitrary files (bsc#1253185).
  - CVE-2025-64434: compromising virt-handler instance can lead to impersonate virt-api and execute
privileged operations
    (bsc#1253186).
  - CVE-2025-64437: mishandling of symlinks can lead to compromising the CIA (bsc#1253194).
  - CVE-2025-64324: a logic bug that allows an attacker to read and write arbitrary files owned by
more privileged users
    (bsc#1253748).

Other updates and bugfixes:

  - Upstream now uses stateless firmware for CoCo VMs.


Patch instructions:

   To install this openSUSE security update use the suse recommended installation methods
   like YaST online_update or "zypper patch".
   Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-319=1

Package List:

- openSUSE Leap 16.0:

  kubevirt-container-disk-1.7.0-160000.1.1
  kubevirt-manifests-1.7.0-160000.1.1
  kubevirt-pr-helper-conf-1.7.0-160000.1.1
  kubevirt-sidecar-shim-1.7.0-160000.1.1
  kubevirt-tests-1.7.0-160000.1.1
  kubevirt-virt-api-1.7.0-160000.1.1
  kubevirt-virt-controller-1.7.0-160000.1.1
  kubevirt-virt-exportproxy-1.7.0-160000.1.1
  kubevirt-virt-exportserver-1.7.0-160000.1.1
  kubevirt-virt-handler-1.7.0-160000.1.1
  kubevirt-virt-launcher-1.7.0-160000.1.1
  kubevirt-virt-operator-1.7.0-160000.1.1
  kubevirt-virt-synchronization-controller-1.7.0-160000.1.1
  kubevirt-virtctl-1.7.0-160000.1.1
  obs-service-kubevirt_containers_meta-1.7.0-160000.1.1

References:

  * https://www.suse.com/security/cve/CVE-2024-45310.html
  * https://www.suse.com/security/cve/CVE-2025-22872.html
  * https://www.suse.com/security/cve/CVE-2025-64324.html
  * https://www.suse.com/security/cve/CVE-2025-64432.html
  * https://www.suse.com/security/cve/CVE-2025-64433.html
  * https://www.suse.com/security/cve/CVE-2025-64434.html
  * https://www.suse.com/security/cve/CVE-2025-64435.html
  * https://www.suse.com/security/cve/CVE-2025-64437.html