CVE-2023-1668
8.2CVSSHIGH
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 Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
and 6 more affected products View all →
Exploitability
Official Patch Available
Workaround Available
References
https://bugzilla.redhat.com/show_bug.cgi?id=2137666
bugzilla.redhat.com
https://lists.debian.org/debian-lts-announce/2023/05/msg00000.html
lists.debian.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2GUNS3WSJG4TUDKZ5L7FXGJMVOD6EJZ/
lists.fedoraproject.org
and 12 more references View all →
Timeline
Published
Apr 10, 2023
Last Updated
Apr 23, 2025
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