SUSE-SU-2026:2406-1: important: Security update for qemu

SLE-UPDATES null at suse.de
Tue Jun 16 12:30:50 UTC 2026 

# Security update for qemu

Announcement ID: SUSE-SU-2026:2406-1  
Release Date: 2026-06-16T06:54:28Z  
Rating: important  
References:

  * bsc#1209554
  * bsc#1250984
  * bsc#1258509

  
Cross-References:

  * CVE-2023-1544
  * CVE-2025-11234
  * CVE-2026-2243

  
CVSS scores:

  * CVE-2023-1544 ( SUSE ):  7.9 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H
  * CVE-2023-1544 ( NVD ):  6.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
  * CVE-2023-1544 ( NVD ):  6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  * 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-2026-2243 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-2243 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
  * CVE-2026-2243 ( NVD ):  5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for qemu fixes the following issues:

  * CVE-2023-1544: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()
    (bsc#1209554).
  * CVE-2025-11234: qemu-kvm: use-after-free in websocket handshake code can
    lead to denial of service (bsc#1250984).
  * CVE-2026-2243: incorrect bounds check leads to heap out-of-bounds read and a
    12-byte information leak when processing specially crafted VMDK files
    (bsc#1258509).

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2406=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2406=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * qemu-tools-debuginfo-3.1.1.1-84.1
    * qemu-guest-agent-debuginfo-3.1.1.1-84.1
    * qemu-debugsource-3.1.1.1-84.1
    * qemu-audio-alsa-3.1.1.1-84.1
    * qemu-ui-curses-3.1.1.1-84.1
    * qemu-3.1.1.1-84.1
    * qemu-ui-sdl-3.1.1.1-84.1
    * qemu-block-curl-debuginfo-3.1.1.1-84.1
    * qemu-ui-sdl-debuginfo-3.1.1.1-84.1
    * qemu-audio-oss-debuginfo-3.1.1.1-84.1
    * qemu-block-ssh-3.1.1.1-84.1
    * qemu-block-iscsi-3.1.1.1-84.1
    * qemu-guest-agent-3.1.1.1-84.1
    * qemu-audio-oss-3.1.1.1-84.1
    * qemu-ui-gtk-3.1.1.1-84.1
    * qemu-ui-curses-debuginfo-3.1.1.1-84.1
    * qemu-audio-pa-3.1.1.1-84.1
    * qemu-ui-gtk-debuginfo-3.1.1.1-84.1
    * qemu-block-ssh-debuginfo-3.1.1.1-84.1
    * qemu-audio-pa-debuginfo-3.1.1.1-84.1
    * qemu-block-curl-3.1.1.1-84.1
    * qemu-tools-3.1.1.1-84.1
    * qemu-lang-3.1.1.1-84.1
    * qemu-audio-alsa-debuginfo-3.1.1.1-84.1
    * qemu-block-iscsi-debuginfo-3.1.1.1-84.1
    * qemu-audio-sdl-debuginfo-3.1.1.1-84.1
    * qemu-audio-sdl-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64)
    * qemu-arm-debuginfo-3.1.1.1-84.1
    * qemu-arm-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * qemu-kvm-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x)
    * qemu-s390-debuginfo-3.1.1.1-84.1
    * qemu-s390-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 x86_64)
    * qemu-block-rbd-debuginfo-3.1.1.1-84.1
    * qemu-block-rbd-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * qemu-ipxe-1.0.0+-84.1
    * qemu-seabios-1.12.0_0_ga698c89-84.1
    * qemu-vgabios-1.12.0_0_ga698c89-84.1
    * qemu-sgabios-8-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (x86_64)
    * qemu-x86-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (ppc64le)
    * qemu-ppc-3.1.1.1-84.1
    * qemu-ppc-debuginfo-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * qemu-tools-debuginfo-3.1.1.1-84.1
    * qemu-guest-agent-debuginfo-3.1.1.1-84.1
    * qemu-debugsource-3.1.1.1-84.1
    * qemu-audio-alsa-3.1.1.1-84.1
    * qemu-3.1.1.1-84.1
    * qemu-ui-curses-3.1.1.1-84.1
    * qemu-kvm-3.1.1.1-84.1
    * qemu-ui-sdl-3.1.1.1-84.1
    * qemu-block-curl-debuginfo-3.1.1.1-84.1
    * qemu-ui-sdl-debuginfo-3.1.1.1-84.1
    * qemu-block-rbd-debuginfo-3.1.1.1-84.1
    * qemu-audio-oss-debuginfo-3.1.1.1-84.1
    * qemu-block-ssh-3.1.1.1-84.1
    * qemu-block-iscsi-3.1.1.1-84.1
    * qemu-guest-agent-3.1.1.1-84.1
    * qemu-audio-oss-3.1.1.1-84.1
    * qemu-ui-gtk-3.1.1.1-84.1
    * qemu-ui-curses-debuginfo-3.1.1.1-84.1
    * qemu-audio-pa-3.1.1.1-84.1
    * qemu-ui-gtk-debuginfo-3.1.1.1-84.1
    * qemu-block-ssh-debuginfo-3.1.1.1-84.1
    * qemu-x86-3.1.1.1-84.1
    * qemu-audio-pa-debuginfo-3.1.1.1-84.1
    * qemu-block-curl-3.1.1.1-84.1
    * qemu-tools-3.1.1.1-84.1
    * qemu-lang-3.1.1.1-84.1
    * qemu-audio-alsa-debuginfo-3.1.1.1-84.1
    * qemu-block-iscsi-debuginfo-3.1.1.1-84.1
    * qemu-audio-sdl-debuginfo-3.1.1.1-84.1
    * qemu-audio-sdl-3.1.1.1-84.1
    * qemu-block-rbd-3.1.1.1-84.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * qemu-ipxe-1.0.0+-84.1
    * qemu-seabios-1.12.0_0_ga698c89-84.1
    * qemu-vgabios-1.12.0_0_ga698c89-84.1
    * qemu-sgabios-8-84.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-1544.html
  * https://www.suse.com/security/cve/CVE-2025-11234.html
  * https://www.suse.com/security/cve/CVE-2026-2243.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1209554
  * https://bugzilla.suse.com/show_bug.cgi?id=1250984
  * https://bugzilla.suse.com/show_bug.cgi?id=1258509

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