High severity · published Feb 22, 2024
CVE-2023-3966
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
7.5
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
39; 40 · source: NVD
OP
Openvswitch · Openvswitch
before 3.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3966
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3966
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-3966
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2178363
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
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