Security update for kubevirt

Announcement ID: SUSE-SU-2026:20610-1
Release Date: 2026-02-27T08:49:48Z
Rating: important
References:
Cross-References:
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-2024-45310 ( NVD ): 3.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
  • CVE-2024-45310 ( NVD ): 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 ): 6.3 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-2025-22872 ( 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 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
  • 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-2025-64324 ( 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 ( NVD ): 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-2025-64324 ( NVD ): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  • 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-2025-64432 ( 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 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-64432 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • 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-2025-64433 ( 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 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • 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-2025-64434 ( 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 ( NVD ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
  • CVE-2025-64434 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-64435 ( SUSE ): 6.0 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-2025-64435 ( 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 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • 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
  • 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 ( NVD ): 5.0 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
Affected Products:
  • SUSE Linux Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP Applications 16.0

An update that solves eight vulnerabilities and has one fix 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 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 Enterprise Server 16.0
    zypper in -t patch SUSE-SLES-16.0-319=1
  • SUSE Linux Enterprise Server for SAP Applications 16.0
    zypper in -t patch SUSE-SLES-16.0-319=1

Package List:

  • SUSE Linux Enterprise Server 16.0 (x86_64)
    • kubevirt-virtctl-1.7.0-160000.1.1
    • kubevirt-virtctl-debuginfo-1.7.0-160000.1.1
  • SUSE Linux Enterprise Server for SAP Applications 16.0 (x86_64)
    • kubevirt-virtctl-1.7.0-160000.1.1
    • kubevirt-virtctl-debuginfo-1.7.0-160000.1.1

References: