CVE-2023-3966HighMicrosoft CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Microsoft security update for CVE-2023-3966

Published
February 22, 2024
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-3966. This page also shows what EchelonGraph holds for CVE-2023-3966, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products4

  • azl3 openvswitch 2.17.5-3 on Azure Linux 3.0
  • azl3 openvswitch 3.3.0-1 on Azure Linux 3.0
  • cbl2 openvswitch 2.17.9-1 on CBL Mariner 2.0
  • cbl2 openvswitch 2.17.9-1 on CBL-Mariner 2.0

✅ Updates Microsoft lists: 2 updates

2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update2.17.9-1
—Security Update3.3.0-1

🧭 EchelonGraph on CVE-2023-3966

EchelonGraph score
7.5 HIGH
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

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.

Published by Red Hat, Inc., the CVE Numbering Authority that assigned CVE-2023-3966, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (2)