CVE-2023-5366
openvswitch - security update
5.5
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
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.
How to fix CVE-2023-5366
To remediate CVE-2023-5366, upgrade the affected package to a fixed version below.
- —upgrade to 2.15.0+ds1-2+deb11u5 or later
- —upgrade to 2.10.7+ds1-0+deb10u5 or later
Is CVE-2023-5366 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.15.0+ds1-2+deb11u5
- from 0, < 2.10.7+ds1-0+deb10u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |