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openSUSE Leap 15.3 qemu Important DoS Risk CVE-2025-11234 Advisory

opensuse
Calendar Grey February 2, 2026
Dist Opensuse Esm H88
SUSE issues important advisory for qemu fixing a denial of service risk with CVE-2025-11234, available for installation now.
An update that solves one vulnerability can now be installed.

Description

This update for qemu fixes the following issues:

* CVE-2025-11234: Fixed use-after-free in websocket handshake code can lead to

denial of service (bsc#1250984).

Topics%20covered

Topics Covered

security advisory denial of service important QEMU OpenSUSE cve-2025-11234

Patch

## 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:

* openSUSE Leap 15.3

zypper in -t patch SUSE-2026-356=1

* SUSE Linux Enterprise Micro 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-356=1

* SUSE Linux Enterprise Micro for Rancher 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-356=1

Package List

* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)

* qemu-extra-debuginfo-5.2.0-150300.142.1

* qemu-block-gluster-5.2.0-150300.142.1

* qemu-s390x-debuginfo-5.2.0-150300.142.1

* qemu-vhost-user-gpu-debuginfo-5.2.0-150300.142.1

* qemu-hw-usb-redirect-5.2.0-150300.142.1

* qemu-ivshmem-tools-debuginfo-5.2.0-150300.142.1

* qemu-ppc-5.2.0-150300.142.1

* qemu-block-curl-debuginfo-5.2.0-150300.142.1

* qemu-block-ssh-debuginfo-5.2.0-150300.142.1

* qemu-block-iscsi-5.2.0-150300.142.1

* qemu-block-dmg-debuginfo-5.2.0-150300.142.1

* qemu-linux-user-debugsource-5.2.0-150300.142.1

* qemu-5.2.0-150300.142.1

* qemu-chardev-spice-debuginfo-5.2.0-150300.142.1

* qemu-hw-s390x-virtio-gpu-ccw-5.2.0-150300.142.1

* qemu-hw-usb-smartcard-debuginfo-5.2.0-150300.142.1

* qemu-ivshmem-tools-5.2.0-150300.142.1

* qemu-audio-pa-debuginfo-5.2.0-150300.142.1

* qemu-ui-gtk-5.2.0-150300.142.1

* qemu-hw-display-virtio-gpu-debuginfo-5.2.0-150300.142.1

* qemu-audio-spice-debuginfo-5.2.0-150300.142.1

*...

Read the Full Advisory

References

* bsc#1250984

## References:

* https://www.suse.com/security/cve/CVE-2025-11234.html

* https://bugzilla.suse.com/show_bug.cgi?id=1250984

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0356-1
Release Date: 2026-02-01T21:18:57Z
Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro for Rancher 5.2

Topics%20covered

Topics Covered

security advisory denial of service important QEMU OpenSUSE cve-2025-11234

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