CVE-2023-3966
High
Openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet
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.
Exploit probability
1.0%
Published
February 22, 2024
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
9 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2023-3966
View original source
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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/downloads/content/package-browser/
- https://access.redhat.com/security/cve/CVE-2023-3966
- https://bugzilla.redhat.com/show_bug.cgi?id=2178363
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3966.json
- https://lists.fedoraproject.org/archives/list/[email protected]/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
- https://nvd.nist.gov/vuln/detail/CVE-2023-3966
- https://packages.fedoraproject.org/
- https://repos.fedorapeople.org/repos/openstack/