SUSE SLES15 / openSUSE 15 Security Update : openvswitch (SUSE-SU-2026:0280-1)

high Nessus Plugin ID 296468

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-2026:0280-1 advisory.

Update to v3.1.7:

- CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload (bsc#1219465).
- CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of service (bsc#1255435).
- CVE-2023-1668: openvswitch: remote traffic denial of service via crafted packets with IP proto 0 (bsc#1210054).
- CVE-2023-3153: openvswitch,openvswitch3: service monitor MAC flow is not rate limited (bsc#1212125).
- CVE-2023-5366: openvswitch: missing masks on a final stage with ports trie (bsc#1216002).

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/1210054

https://bugzilla.suse.com/1212125

https://bugzilla.suse.com/1216002

https://bugzilla.suse.com/1219465

https://bugzilla.suse.com/1255435

http://www.nessus.org/u?29c5d6d8

https://www.suse.com/security/cve/CVE-2023-1668

https://www.suse.com/security/cve/CVE-2023-3152

https://www.suse.com/security/cve/CVE-2023-3153

https://www.suse.com/security/cve/CVE-2023-3966

https://www.suse.com/security/cve/CVE-2023-5366

https://www.suse.com/security/cve/CVE-2024-2182

https://www.suse.com/security/cve/CVE-2025-0650

Plugin Details

Severity: High

ID: 296468

File Name: suse_SU-2026-0280-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/24/2026

Updated: 1/24/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.1

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

CVSS Score Source: CVE-2023-3152

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ovn-central, p-cpe:/a:novell:suse_linux:libopenvswitch-3_1-0, p-cpe:/a:novell:suse_linux:ovn-host, p-cpe:/a:novell:suse_linux:openvswitch-vtep, p-cpe:/a:novell:suse_linux:openvswitch, p-cpe:/a:novell:suse_linux:ovn-docker, p-cpe:/a:novell:suse_linux:openvswitch-test, p-cpe:/a:novell:suse_linux:ovn, p-cpe:/a:novell:suse_linux:ovn-devel, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python3-ovs, p-cpe:/a:novell:suse_linux:openvswitch-pki, p-cpe:/a:novell:suse_linux:openvswitch-devel, p-cpe:/a:novell:suse_linux:libovn-23_03-0, p-cpe:/a:novell:suse_linux:ovn-vtep, p-cpe:/a:novell:suse_linux:openvswitch-ipsec

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/23/2026

Vulnerability Publication Date: 4/10/2023

Reference Information

CVE: CVE-2023-1668, CVE-2023-3152, CVE-2023-3153, CVE-2023-3966, CVE-2023-5366, CVE-2024-2182, CVE-2025-0650

SuSE: SUSE-SU-2026:0280-1