SUSE-SU-2026:20008-1: important: Security update for qemu

SLE-SECURITY-UPDATES null at suse.de
Fri Jan 9 16:32:12 UTC 2026 


# Security update for qemu

Announcement ID: SUSE-SU-2026:20008-1  
Release Date: 2025-12-22T15:48:07Z  
Rating: important  
References:

  * bsc#1250984
  * bsc#1252768
  * bsc#1253002
  * bsc#1254286

  
Cross-References:

  * CVE-2025-11234
  * CVE-2025-12464

  
CVSS scores:

  * CVE-2025-11234 ( SUSE ):  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
  * CVE-2025-11234 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-11234 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-12464 ( 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-2025-12464 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-12464 ( NVD ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves two vulnerabilities and has two fixes can now be
installed.

## Description:

This update for qemu fixes the following issues:

Security issues fixed:

  * CVE-2025-12464: stack-based buffer overflow in the e1000 network device
    operations can be exploited by a malicious guest user to crash the QEMU
    process on the host (bsc#1253002).
  * CVE-2025-11234: use-after-free in WebSocket handshake operations can be
    exploited by a malicious client with network access to the VNC WebSocket
    port to cause a denial-of-service (bsc#1250984).

Other updates and bugfixes:

  * [openSUSE][RPM]: really fix *-virtio-gpu-pci dependency on ARM
    (bsc#1254286).
  * block/curl: fix curl internal handles handling (bsc#1252768).

## 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 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-357=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * qemu-tools-8.2.10-slfo.1.1_3.1
    * qemu-hw-usb-redirect-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-block-ssh-8.2.10-slfo.1.1_3.1
    * qemu-ksm-8.2.10-slfo.1.1_3.1
    * qemu-block-ssh-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-chardev-spice-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-img-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-virtio-gpu-8.2.10-slfo.1.1_3.1
    * qemu-hw-usb-host-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-block-rbd-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-qxl-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-block-iscsi-8.2.10-slfo.1.1_3.1
    * qemu-block-nfs-8.2.10-slfo.1.1_3.1
    * qemu-block-curl-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-ui-opengl-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-virtio-gpu-pci-8.2.10-slfo.1.1_3.1
    * qemu-ui-opengl-8.2.10-slfo.1.1_3.1
    * qemu-audio-spice-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-guest-agent-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-virtio-vga-8.2.10-slfo.1.1_3.1
    * qemu-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-chardev-spice-8.2.10-slfo.1.1_3.1
    * qemu-block-nfs-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-guest-agent-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-virtio-gpu-pci-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-virtio-gpu-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-virtio-vga-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-ui-spice-core-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-block-curl-8.2.10-slfo.1.1_3.1
    * qemu-debugsource-8.2.10-slfo.1.1_3.1
    * qemu-spice-8.2.10-slfo.1.1_3.1
    * qemu-block-iscsi-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-audio-spice-8.2.10-slfo.1.1_3.1
    * qemu-hw-display-qxl-8.2.10-slfo.1.1_3.1
    * qemu-hw-usb-host-8.2.10-slfo.1.1_3.1
    * qemu-pr-helper-8.2.10-slfo.1.1_3.1
    * qemu-block-rbd-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-tools-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-hw-usb-redirect-8.2.10-slfo.1.1_3.1
    * qemu-ui-spice-core-8.2.10-slfo.1.1_3.1
    * qemu-headless-8.2.10-slfo.1.1_3.1
    * qemu-pr-helper-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-8.2.10-slfo.1.1_3.1
    * qemu-img-debuginfo-8.2.10-slfo.1.1_3.1
  * SUSE Linux Micro 6.1 (aarch64)
    * qemu-arm-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-arm-8.2.10-slfo.1.1_3.1
  * SUSE Linux Micro 6.1 (noarch)
    * qemu-vgabios-8.2.101.16.3_3_ga95067eb-slfo.1.1_3.1
    * qemu-ipxe-8.2.10-slfo.1.1_3.1
    * qemu-seabios-8.2.101.16.3_3_ga95067eb-slfo.1.1_3.1
    * qemu-SLOF-8.2.10-slfo.1.1_3.1
    * qemu-lang-8.2.10-slfo.1.1_3.1
  * SUSE Linux Micro 6.1 (ppc64le)
    * qemu-ppc-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-ppc-8.2.10-slfo.1.1_3.1
  * SUSE Linux Micro 6.1 (s390x)
    * qemu-s390x-8.2.10-slfo.1.1_3.1
    * qemu-s390x-debuginfo-8.2.10-slfo.1.1_3.1
  * SUSE Linux Micro 6.1 (x86_64)
    * qemu-accel-tcg-x86-8.2.10-slfo.1.1_3.1
    * qemu-x86-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-accel-tcg-x86-debuginfo-8.2.10-slfo.1.1_3.1
    * qemu-x86-8.2.10-slfo.1.1_3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-11234.html
  * https://www.suse.com/security/cve/CVE-2025-12464.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1250984
  * https://bugzilla.suse.com/show_bug.cgi?id=1252768
  * https://bugzilla.suse.com/show_bug.cgi?id=1253002
  * https://bugzilla.suse.com/show_bug.cgi?id=1254286

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