SUSE alert SUSE-SU-2026:21912-1 (qemu)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:21912-1: important: Security update for qemu
Date:
             
 
Tue, 02 Jun 2026 16:50:42 -0000
Message-ID:
             
 
<178041904220.42.16930126151290278268@b0da085613fb>
# Security update for qemu

Announcement ID: SUSE-SU-2026:21912-1  
Release Date: 2026-05-28T15:31:35Z  
Rating: important  
References:

  * bsc#1255400
  * bsc#1256484
  * bsc#1258509
  * bsc#1259079
  * bsc#1259080
  * bsc#1262089

  
Cross-References:

  * CVE-2025-14876
  * CVE-2026-0665
  * CVE-2026-2243
  * CVE-2026-3195
  * CVE-2026-3196
  * CVE-2026-3842

  
CVSS scores:

  * CVE-2025-14876 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-14876 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-14876 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-0665 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-0665 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-0665 ( NVD ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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
  * CVE-2026-3195 ( SUSE ):  7.1
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-3195 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-3196 ( 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-2026-3196 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  * CVE-2026-3842 ( SUSE ):  5.1
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-3842 ( SUSE ):  5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves six vulnerabilities can now be installed.

## Description:

This update for qemu fixes the following issues

  * CVE-2025-14876: qemu-kvm: Unbounded allocation in virtio-crypto
    (bsc#1255400).
  * CVE-2026-0665: out-of-bounds heap access can lead to a denial of service or
    potential memory corruption (bsc#1256484).
  * 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).
  * CVE-2026-3195: heap buffer overflow when reading input audio in the virtio-
    snd device input callback due to insufficient checks in
    `virtio_snd_pcm_in_cb` (bsc#1259080).
  * CVE-2026-3196: integer overflow in the virtio-snd device via PCM_INFO
    requests from the guest leads to unbounded memory allocation and host
    denial-of-service (bsc#1259079).
  * CVE-2026-3842: hyperv/syndbg: missing mapped-length guard after
    cpu_physical_memory_map causes host OOB write (bsc#1262089).

## 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 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-731=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * qemu-hw-usb-redirect-8.2.10-3.1
    * qemu-ksm-8.2.10-3.1
    * qemu-hw-display-qxl-8.2.10-3.1
    * qemu-debuginfo-8.2.10-3.1
    * qemu-hw-display-virtio-gpu-debuginfo-8.2.10-3.1
    * qemu-ui-opengl-debuginfo-8.2.10-3.1
    * qemu-hw-display-virtio-gpu-pci-debuginfo-8.2.10-3.1
    * qemu-hw-usb-host-8.2.10-3.1
    * qemu-guest-agent-8.2.10-3.1
    * qemu-block-rbd-debuginfo-8.2.10-3.1
    * qemu-ui-spice-core-8.2.10-3.1
    * qemu-block-curl-debuginfo-8.2.10-3.1
    * qemu-hw-usb-redirect-debuginfo-8.2.10-3.1
    * qemu-debugsource-8.2.10-3.1
    * qemu-hw-display-virtio-gpu-pci-8.2.10-3.1
    * qemu-hw-display-qxl-debuginfo-8.2.10-3.1
    * qemu-guest-agent-debuginfo-8.2.10-3.1
    * qemu-block-iscsi-8.2.10-3.1
    * qemu-tools-8.2.10-3.1
    * qemu-hw-display-virtio-vga-debuginfo-8.2.10-3.1
    * qemu-audio-spice-debuginfo-8.2.10-3.1
    * qemu-block-curl-8.2.10-3.1
    * qemu-pr-helper-8.2.10-3.1
    * qemu-block-rbd-8.2.10-3.1
    * qemu-block-ssh-debuginfo-8.2.10-3.1
    * qemu-chardev-spice-8.2.10-3.1
    * qemu-chardev-spice-debuginfo-8.2.10-3.1
    * qemu-audio-spice-8.2.10-3.1
    * qemu-img-8.2.10-3.1
    * qemu-hw-display-virtio-gpu-8.2.10-3.1
    * qemu-ui-spice-core-debuginfo-8.2.10-3.1
    * qemu-img-debuginfo-8.2.10-3.1
    * qemu-hw-usb-host-debuginfo-8.2.10-3.1
    * qemu-hw-display-virtio-vga-8.2.10-3.1
    * qemu-ui-opengl-8.2.10-3.1
    * qemu-8.2.10-3.1
    * qemu-tools-debuginfo-8.2.10-3.1
    * qemu-block-iscsi-debuginfo-8.2.10-3.1
    * qemu-pr-helper-debuginfo-8.2.10-3.1
    * qemu-block-ssh-8.2.10-3.1
  * SUSE Linux Micro 6.0 (aarch64)
    * qemu-arm-8.2.10-3.1
    * qemu-arm-debuginfo-8.2.10-3.1
  * SUSE Linux Micro 6.0 (x86_64)
    * qemu-accel-tcg-x86-debuginfo-8.2.10-3.1
    * qemu-x86-debuginfo-8.2.10-3.1
    * qemu-accel-tcg-x86-8.2.10-3.1
    * qemu-x86-8.2.10-3.1
  * SUSE Linux Micro 6.0 (noarch)
    * qemu-ipxe-8.2.10-3.1
    * qemu-lang-8.2.10-3.1
    * qemu-seabios-8.2.101.16.3_3_ga95067eb-3.1
    * qemu-vgabios-8.2.101.16.3_3_ga95067eb-3.1
  * SUSE Linux Micro 6.0 (s390x)
    * qemu-s390x-debuginfo-8.2.10-3.1
    * qemu-s390x-8.2.10-3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-14876.html
  * https://www.suse.com/security/cve/CVE-2026-0665.html
  * https://www.suse.com/security/cve/CVE-2026-2243.html
  * https://www.suse.com/security/cve/CVE-2026-3195.html
  * https://www.suse.com/security/cve/CVE-2026-3196.html
  * https://www.suse.com/security/cve/CVE-2026-3842.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1255400
  * https://bugzilla.suse.com/show_bug.cgi?id=1256484
  * https://bugzilla.suse.com/show_bug.cgi?id=1258509
  * https://bugzilla.suse.com/show_bug.cgi?id=1259079
  * https://bugzilla.suse.com/show_bug.cgi?id=1259080
  * https://bugzilla.suse.com/show_bug.cgi?id=1262089



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