SUSE-SU-2026:20610-1: important: Security update for kubevirt

SLE-UPDATES null at suse.de
Thu Mar 5 16:36:52 UTC 2026 


# Security update for kubevirt

Announcement ID: SUSE-SU-2026:20610-1  
Release Date: 2026-02-27T08:49:48Z  
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-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:

  * 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
  * https://bugzilla.suse.com/show_bug.cgi?id=1241772
  * https://bugzilla.suse.com/show_bug.cgi?id=1253181
  * https://bugzilla.suse.com/show_bug.cgi?id=1253185
  * https://bugzilla.suse.com/show_bug.cgi?id=1253186
  * https://bugzilla.suse.com/show_bug.cgi?id=1253189
  * https://bugzilla.suse.com/show_bug.cgi?id=1253194
  * https://bugzilla.suse.com/show_bug.cgi?id=1253748
  * https://bugzilla.suse.com/show_bug.cgi?id=1257128
  * https://bugzilla.suse.com/show_bug.cgi?id=1257422

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