SUSE SLES15 / openSUSE 15 Security Update : qemu (SUSE-SU-2026:0022-1)

high Nessus Plugin ID 281891

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0022-1 advisory.

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]: really fix *-virtio-gpu-pci dependency on ARM (bsc#1254286).
- block/curl: fix curl internal handles handling (bsc#1252768).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1250984

https://bugzilla.suse.com/1252768

https://bugzilla.suse.com/1253002

https://bugzilla.suse.com/1254286

http://www.nessus.org/u?0fd91d63

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

https://www.suse.com/security/cve/CVE-2025-12464

Plugin Details

Severity: High

ID: 281891

File Name: suse_SU-2026-0022-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/6/2026

Updated: 1/6/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-12464

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2025-11234

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:qemu-hw-usb-redirect, p-cpe:/a:novell:suse_linux:qemu-block-ssh, p-cpe:/a:novell:suse_linux:qemu-accel-tcg-x86, p-cpe:/a:novell:suse_linux:qemu-ui-gtk, p-cpe:/a:novell:suse_linux:qemu-hw-display-virtio-gpu-pci, p-cpe:/a:novell:suse_linux:qemu-audio-spice, p-cpe:/a:novell:suse_linux:qemu-lang, p-cpe:/a:novell:suse_linux:qemu-audio-alsa, p-cpe:/a:novell:suse_linux:qemu-ppc, p-cpe:/a:novell:suse_linux:qemu-hw-display-qxl, p-cpe:/a:novell:suse_linux:qemu-hw-display-virtio-vga, p-cpe:/a:novell:suse_linux:qemu-chardev-baum, p-cpe:/a:novell:suse_linux:qemu-slof, p-cpe:/a:novell:suse_linux:qemu-ksm, p-cpe:/a:novell:suse_linux:qemu-audio-pipewire, p-cpe:/a:novell:suse_linux:qemu-block-curl, p-cpe:/a:novell:suse_linux:qemu-ui-spice-core, p-cpe:/a:novell:suse_linux:qemu-chardev-spice, p-cpe:/a:novell:suse_linux:qemu-hw-s390x-virtio-gpu-ccw, p-cpe:/a:novell:suse_linux:qemu-pr-helper, p-cpe:/a:novell:suse_linux:qemu-s390x, p-cpe:/a:novell:suse_linux:qemu-hw-display-virtio-gpu, p-cpe:/a:novell:suse_linux:qemu-guest-agent, p-cpe:/a:novell:suse_linux:qemu-block-nfs, p-cpe:/a:novell:suse_linux:qemu-seabios, p-cpe:/a:novell:suse_linux:qemu, p-cpe:/a:novell:suse_linux:qemu-img, p-cpe:/a:novell:suse_linux:qemu-audio-dbus, p-cpe:/a:novell:suse_linux:qemu-ipxe, p-cpe:/a:novell:suse_linux:qemu-skiboot, p-cpe:/a:novell:suse_linux:qemu-ui-curses, p-cpe:/a:novell:suse_linux:qemu-ui-dbus, p-cpe:/a:novell:suse_linux:qemu-arm, p-cpe:/a:novell:suse_linux:qemu-vgabios, p-cpe:/a:novell:suse_linux:qemu-block-rbd, p-cpe:/a:novell:suse_linux:qemu-audio-pa, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:qemu-x86, p-cpe:/a:novell:suse_linux:qemu-spice, p-cpe:/a:novell:suse_linux:qemu-tools, p-cpe:/a:novell:suse_linux:qemu-hw-usb-host, p-cpe:/a:novell:suse_linux:qemu-ui-opengl, p-cpe:/a:novell:suse_linux:qemu-headless, p-cpe:/a:novell:suse_linux:qemu-ui-spice-app, p-cpe:/a:novell:suse_linux:qemu-block-iscsi

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/5/2026

Vulnerability Publication Date: 10/3/2025

Reference Information

CVE: CVE-2025-11234, CVE-2025-12464

SuSE: SUSE-SU-2026:0022-1