High severity7.5NVD Advisory· Published Feb 22, 2024· Updated Jun 17, 2026
CVE-2023-3966
CVE-2023-3966
Description
A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
41(expand)+ 1 more
- (no CPE)
- cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*range: <3.1.0
- cpe:/o:redhat:enterprise_linux:7
- RDO/OpenStack RDOv5
- cpe:/a:redhat:openshift:3.11
cpe:/o:redhat:enterprise_linux:7::fastdatapath+ 2 more
- cpe:/o:redhat:enterprise_linux:7::fastdatapath
- cpe:/o:redhat:enterprise_linux:8::fastdatapath
- cpe:/o:redhat:enterprise_linux:9::fastdatapath
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
- osv-coords30 versionspkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/opensuse/openvswitch&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/openvswitch3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/openvswitch3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/openvswitch3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/opensuse/openvswitch3&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/openvswitch&distro=openSUSE%20Tumbleweedpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/opensuse/openvswitch&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/openvswitch&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP5pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Manager%20Proxy%204.3pkg:rpm/suse/openvswitch3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/suse/openvswitch3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/openvswitch3&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/opensuse/openvswitch3&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5pkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/openvswitch&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/openvswitch&distro=SUSE%20Manager%20Server%204.3
< 3.1.7-150600.33.9.1+ 29 more
- (no CPE)range: < 3.1.7-150600.33.9.1
- (no CPE)range: < 3.1.7-150600.33.9.1
- (no CPE)range: < 3.1.7-150600.33.9.1
- (no CPE)range: < 3.1.7-150500.3.25.1
- (no CPE)range: < 3.1.7-150500.3.25.1
- (no CPE)range: < 3.1.7-150500.3.25.1
- (no CPE)range: < 3.1.7-150500.3.25.1
- (no CPE)range: < 3.1.0-19.1
- (no CPE)range: < 3.1.7-4.1
- (no CPE)range: < 3.1.7-slfo.1.1_2.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.14.2-150300.19.20.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.13.2-150200.9.34.1
- (no CPE)range: < 2.13.2-150200.9.34.1
- (no CPE)range: < 2.14.2-150300.19.20.1
- (no CPE)range: < 2.14.2-150300.19.20.1
- (no CPE)range: < 2.14.2-150300.19.20.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 3.1.0-150500.3.16.1
- (no CPE)range: < 3.1.7-150500.3.25.1
- (no CPE)range: < 3.1.0-150500.3.16.1
- (no CPE)range: < 3.1.0-150500.3.16.1
- (no CPE)range: < 2.13.2-150200.9.34.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.14.2-150400.24.23.1
- (no CPE)range: < 2.14.2-150400.24.23.1
Patches
Vulnerability mechanics
References
4- access.redhat.com/security/cve/CVE-2023-3966nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdThird Party Advisory
- lists.fedoraproject.org/archives/list/[email protected]/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/nvdMailing List
- lists.fedoraproject.org/archives/list/[email protected]/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/nvdMailing List
News mentions
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