Alerts This Week
Warning Icon 1 967
Alerts This Week
Warning Icon 1 967

Major Vulnerability Detected in Unix System 23.05 KVM CVE-2025-00567

suse
Calendar Grey February 11, 2026
Dist Suse Esm H88
SUSE security update for qemu addresses important issues including denial of service vulnerabilities. Learn more!
An update that solves one vulnerability can now be installed.

Summary

## 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). ## 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 15.4 zypper in -t patch SUSE-2026-436=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-436=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-436=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-436=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-436=1

Topics%20covered

Topics Covered

security advisory denial of service important security patch QEMU OpenSUSE

References

* bsc#1250984

Cross-

* CVE-2025-11234

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

Affected Products:

* openSUSE Leap 15.4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server 15 SP4 LTSS

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0436-1
Release Date: 2026-02-11T09:26:35Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service important security patch QEMU OpenSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here