# SUSE-SU-2026:0280-1: openvswitch security update

SUSE-SU-2026:0280-1, released January 23, 2026, fixes 7 CVEs in openvswitch (version 3.1.7-150600.33.9.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-0280-1
- Platform: Linux
- Released: Jan 23, 2026
- Priority: High (Closes CVE-2023-3966, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:0280-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [openvswitch](https://patchblox.com/security/data/product/linux/openvswitch.md) | opensuse-leap 15.6 | 3.1.7-150600.33.9.1 |
| [openvswitch](https://patchblox.com/security/data/product/linux/openvswitch.md) | sles 15.6 | 3.1.7-150600.33.9.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-3966](https://patchblox.com/security/data/cve/CVE-2023-3966.md) | High | openvswitch: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload (bsc#1219465). | 7.5 | 0.0125 |  |
| [CVE-2023-1668](https://patchblox.com/security/data/cve/CVE-2023-1668.md) | High | openvswitch-common: A flaw was found in openvswitch (OVS) | 8.2 | 0.0122 |  |
| [CVE-2025-0650](https://patchblox.com/security/data/cve/CVE-2025-0650.md) | High | openvswitch: Security update for openvswitch | 8.1 | 0.0087 |  |
| [CVE-2023-3153](https://patchblox.com/security/data/cve/CVE-2023-3153.md) | Routine | ovn: A flaw was found in Open Virtual Network where the service monitor MAC does not properly rate limit | 5.3 | 0.0099 |  |
| [CVE-2023-3152](https://patchblox.com/security/data/cve/CVE-2023-3152.md) | Routine | openvswitch: Security update for openvswitch | n/a | 0.0084 |  |
| [CVE-2024-2182](https://patchblox.com/security/data/cve/CVE-2024-2182.md) | Routine | openvswitch: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of service (bsc#1255435). | 6.5 | 0.0078 |  |
| [CVE-2023-5366](https://patchblox.com/security/data/cve/CVE-2023-5366.md) | Routine | python3-openvswitch: A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisementpackets between virtual machines to bypass... | 5.5 | 0.0042 |  |

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Data as of 2026-11-11T01:43:54Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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