Security update for qemu

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