Insufficient Verification of Data Authenticity Affecting ovn3-vtep package, versions <23.03.3-150500.3.25.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.42% (34th percentile)

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  • Snyk IDSNYK-SLES155-OVN3VTEP-15102976
  • published27 Jan 2026
  • disclosed26 Jan 2026

Introduced: 26 Jan 2026

CVE-2023-5366  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 ovn3-vtep to version 23.03.3-150500.3.25.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ovn3-vtep package and not the ovn3-vtep package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

A flaw was found in Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may allow a local attacker to create specially crafted packets with a modified or spoofed target IP address field that can redirect ICMPv6 traffic to arbitrary IP addresses.

CVSS Base Scores

version 3.1