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SUSE QEMU Important Denial Of Service Buffer Overflow Vuln 2026-0288-1

suse
Calendar Grey January 26, 2026
Dist Suse Esm H88
Important security update for SUSE QEMU addresses two vulnerabilities, crucial for maintaining system integrity.
An update that solves two vulnerabilities and has four security fixes can now be installed.

Summary

## This update for qemu fixes the following issues: Security issues fixed: * CVE-2025-12464: stack-based buffer overflow in the e1000 network device operations can be exploited by a malicious guest user to crash the QEMU process on the host (bsc#1253002). * CVE-2025-11234: use-after-free in WebSocket handshake operations can be exploited by a malicious client with network access to the VNC WebSocket port to cause a denial-of-service (bsc#1250984). Other updates and bugfixes: * [openSUSE][RPM] spec: require qemu-hw-display-virtio-gpu-pci for x86 too. * [openSUSE][RPM] spec: make glusterfs support conditional (bsc#1254494). * [openSUSE][RPM]: really fix *-virtio-gpu-pci dependency on ARM (bsc#1254286). * block/curl: fix curl internal handles handling (bsc#1252768).

References

* bsc#1230042

* bsc#1250984

* bsc#1252768

* bsc#1253002

* bsc#1254286

* bsc#1254494

Cross-

* CVE-2025-11234

* CVE-2025-12464

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

* CVE-2025-12464 ( SUSE ): 6.9

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-12464 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-12464 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Basesystem Module 15-SP7

* Server Applications Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0288-1
Release Date: 2026-01-26T09:04:47Z
Rating: important

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