SUSE-SU-2026:2783-1: important: Security update for kubevirt-1.6

[SLE-UPDATES]

# Security update for kubevirt-1.6

Announcement ID: SUSE-SU-2026:2783-1  
Release Date: 2026-07-07T15:05:10Z  
Rating: important  
References:

  * bsc#1256434
  * bsc#1262265
  * bsc#1266733

  
Cross-References:

  * CVE-2025-14525
  * CVE-2026-35469
  * CVE-2026-9804

  
CVSS scores:

  * CVE-2025-14525 ( SUSE ):  8.2
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
  * CVE-2025-14525 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  * CVE-2025-14525 ( NVD ):  6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
  * CVE-2026-35469 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-35469 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-35469 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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-2026-35469 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-9804 ( SUSE ):  7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2026-9804 ( NVD ):  7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  * CVE-2026-9804 ( NVD ):  7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

  
Affected Products:

  * Containers Module 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for kubevirt-1.6 fixes the following issues:

  * CVE-2026-9804: Symlink escape in the VMExport dir handler let an attacker
    controlling an exported PVC read sensitive files (TLS keys, tokens, service-
    account creds) from the exporter pod. (bsc#1266733)
  * CVE-2025-14525: A VM reporting many guest-internal interfaces via the guest
    agent could flood VMI status and fill etcd (denial of service). Caps
    reported interfaces at 10. (bsc#1256434)
  * CVE-2026-35469: resource-exhaustion in the SPDY/3 protocol implementation of
    github.com/moby/spdystream. (GHSA-pc3f-x583-g7j2,bsc#1262265)

## 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:

  * Containers Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-2783=1

## Package List:

  * Containers Module 15-SP7 (aarch64 x86_64)
    * kubevirt-1.6-virtctl-debuginfo-1.6.6-150700.15.10.1
    * kubevirt-1.6-virtctl-1.6.6-150700.15.10.1
    * kubevirt-1.6-manifests-1.6.6-150700.15.10.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-14525.html
  * https://www.suse.com/security/cve/CVE-2026-35469.html
  * https://www.suse.com/security/cve/CVE-2026-9804.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1256434
  * https://bugzilla.suse.com/show_bug.cgi?id=1262265
  * https://bugzilla.suse.com/show_bug.cgi?id=1266733

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