Vulnerability Description
A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the datapath flow without the action modifying the IP header. This issue results (for both kernel and userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a != 0 IP protocol that matches this dp flow.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cloudbase | Open Vswitch | >= 1.5.0, < 2.13.11 |
| Debian | Debian Linux | 11.0 |
| Redhat | Openshift Container Platform | 4.0 |
| Redhat | Openstack Platform | 16.1 |
| Redhat | Virtualization | 4.0 |
| Redhat | Fast Datapath | - |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2137666Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202311-16
- https://www.debian.org/security/2023/dsa-5387Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/04/06/1Mailing ListMitigationPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=2137666Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202311-16
- https://www.debian.org/security/2023/dsa-5387Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/04/06/1Mailing ListMitigationPatch
FAQ
What is CVE-2023-1668?
CVE-2023-1668 is a vulnerability with a CVSS score of 8.2 (HIGH). A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the datapath flow without the action modifying the IP header. This issue results (for both kernel ...
How severe is CVE-2023-1668?
CVE-2023-1668 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-1668?
Check the references section above for vendor advisories and patch information. Affected products include: Cloudbase Open Vswitch, Debian Debian Linux, Redhat Openshift Container Platform, Redhat Openstack Platform, Redhat Virtualization.