# CVE-2023-1668: openvswitch: This update for openvswitch fixes the following issues: Update to v3.1.7: - CVE-2023-3966: openvswitch, openvswitc... CVE-2023-1668 is fixed in 18 products on 1 platform, first by openvswitch-common 2.9.8-0ubuntu0.18.04.5, released April 10, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-1668 - Priority: High - CVSS: 8.2 (Medium) - EPSS: 0.0122 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 10, 2023 ## Description This update for openvswitch fixes the following issues: 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). ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | openvswitch Debian 11.6 (bullseye) | 2.15.0+ds1-2+deb11u4 | [DSA-5387-1](https://patchblox.com/security/data/fix/linux/dsa-5387-1.md) | Apr 13, 2023 | | Linux | openvswitch Debian 12.15 (bookworm) | 3.1.0-2 | [DEBIAN-CVE-2023-1668](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1668.md) | Apr 10, 2023 | | Linux | openvswitch Debian 13.5 (trixie) | 3.1.0-2 | [DEBIAN-CVE-2023-1668](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1668.md) | Apr 10, 2023 | | Linux | openvswitch Debian 14 | 3.1.0-2 | [DEBIAN-CVE-2023-1668](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1668.md) | Apr 10, 2023 | | Linux | openvswitch opensuse-leap 15.6 | 3.1.7-150600.33.9.1 | [SUSE-SU-2026:0280-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0280-1.md) | Jan 23, 2026 | | Linux | openvswitch sles 15.6 | 3.1.7-150600.33.9.1 | [SUSE-SU-2026:0280-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0280-1.md) | Jan 23, 2026 | | Linux | openvswitch-common Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-common 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-common-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-common Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-common 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-common-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-common Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-common 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-common-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-common Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-common 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-common-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-common Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-common 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-common-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-ipsec Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-ipsec 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-ipsec-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-ipsec Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-ipsec 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-ipsec-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-ipsec Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-ipsec 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-ipsec-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-pki Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-pki 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-pki-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-pki Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-pki 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-pki-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-pki Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-pki 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-pki-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-pki Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-pki 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-pki-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-pki Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-pki 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-pki-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-source Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-source 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-source-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-source Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-source 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-source-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-source Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-source 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-source-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-source Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-source 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-source-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-switch Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-switch 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-switch-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-switch Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-switch 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-switch-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-switch Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-switch 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-switch-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-switch Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-switch 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-switch-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-switch Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-switch 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-switch-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-switch-dpdk Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-switch-dpdk 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-switch-dpdk-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-switch-dpdk Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-switch-dpdk 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-switch-dpdk-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-switch-dpdk Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-switch-dpdk 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-switch-dpdk-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-switch-dpdk Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-switch-dpdk 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-switch-dpdk-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-switch-dpdk Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-switch-dpdk 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-switch-dpdk-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-test Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-test 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-test-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-test Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-test 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-test-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-test Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-test 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-test-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-test Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-test 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-test-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-test Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-test 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-test-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-testcontroller Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-testcontroller 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-testcontroller-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-testcontroller Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-testcontroller 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-testcontroller-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-testcontroller Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-testcontroller 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-testcontroller-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-testcontroller Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-testcontroller 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-testcontroller-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-testcontroller Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-testcontroller 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-testcontroller-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-vtep Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [openvswitch-vtep 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvswitch-vtep-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | openvswitch-vtep Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [openvswitch-vtep 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvswitch-vtep-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | openvswitch-vtep Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [openvswitch-vtep 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvswitch-vtep-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | openvswitch-vtep Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [openvswitch-vtep 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvswitch-vtep-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch-vtep Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [openvswitch-vtep 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-openvswitch-vtep-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | openvswitch3 opensuse-leap 15.6 | 3.1.7-150500.3.25.1 | [SUSE-SU-2026:0290-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0290-1.md) | Jan 26, 2026 | | Linux | ovn-central Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [ovn-central 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ovn-central-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | ovn-common Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [ovn-common 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ovn-common-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | ovn-controller-vtep Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [ovn-controller-vtep 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ovn-controller-vtep-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | ovn-docker Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [ovn-docker 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ovn-docker-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | ovn-host Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [ovn-host 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ovn-host-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | python-openvswitch Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [python-openvswitch 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-openvswitch-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | python3-openvswitch Ubuntu 18.04.6 LTS (bionic) | 2.9.8-0ubuntu0.18.04.5 | [python3-openvswitch 2.9.8-0ubuntu0.18.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-openvswitch-2.9.8-0ubuntu0.18.04.5.md) | Apr 10, 2023 | | Linux | python3-openvswitch Ubuntu 20.04 LTS (focal) | 2.13.8-0ubuntu1.2 | [python3-openvswitch 2.13.8-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-openvswitch-2.13.8-0ubuntu1.2.md) | Apr 10, 2023 | | Linux | python3-openvswitch Ubuntu 22.04.1 LTS (jammy) | 2.17.5-0ubuntu0.22.04.2 | [python3-openvswitch 2.17.5-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-openvswitch-2.17.5-0ubuntu0.22.04.2.md) | Apr 10, 2023 | | Linux | python3-openvswitch Ubuntu 24.10 (oracular) | 3.1.0-1ubuntu1 | [python3-openvswitch 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-openvswitch-3.1.0-1ubuntu1.md) | Jan 16, 2026 | | Linux | python3-openvswitch Ubuntu 25.04 (plucky) | 3.1.0-1ubuntu1 | [python3-openvswitch 3.1.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-openvswitch-3.1.0-1ubuntu1.md) | Jan 16, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. 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