CVE-2023-5366: openvswitch
CVSS: 7.1v3.1HighModified
AliasesSUSE-SU-2023:4508-1SUSE-SU-2023:4571-1SUSE-SU-2023:4573-1SUSE-SU-2023:4657-1SUSE-SU-2023:4661-1SUSE-SU-2023:4666-1SUSE-SU-2023:4714-1RHBA-2024:1226RHBA-2024:1228UBUNTU-CVE-2023-5366USN-6514-1DEBIAN-CVE-2023-5366DLA-3734-1openSUSE-SU-2024:13657-1
Published 06-10-2023Last modified 13-02-2025
Vulnerability summary
CVE-2023-5366 is a high (CVSS 7.1) vulnerability in openvswitch. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.5% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.42%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 5Timeline
- 06-10-2023PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 5 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:HSources5 sources · 5.5–7.1
- OSV · Red hatEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.03 pp
From 0.39% on 19-09-2026
19-09-202619-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat20 products
- enterprise_linuxEOL7.0
- fast_datapathna
- openshift_container_platform4.0
- virtualization4.0
- openvswitch2.17< 0:2.17.0-131.el9fdp
Suse13 products
- openvswitch3&distro=SUSE Linux Enterprise Module for Server Applications 15 SP5< 3.1.0-150500.3.11.1
- openvswitch&distro=SUSE Enterprise Storage 7.1< 2.14.2-150300.19.11.1 | < 2.14.2-150300.19.14.1
- openvswitch&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 2.13.2-150200.9.25.1 | < 2.13.2-150200.9.28.1
- openvswitch&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS< 2.14.2-150300.19.11.1 | < 2.14.2-150300.19.14.1
- openvswitch&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS< 2.14.2-150300.19.11.1 | < 2.14.2-150300.19.14.1
Opensuse4 products
- openvswitch3&distro=openSUSE Leap 15.5< 3.1.0-150500.3.11.1
- openvswitch&distro=openSUSE Leap 15.4< 2.13.2-150200.9.25.1 | < 2.14.2-150400.24.14.2 | < 2.14.2-150400.24.17.1 | < 2.13.2-150200.9.28.1
- openvswitch&distro=openSUSE Leap 15.5< 2.14.2-150400.24.14.2 | < 2.14.2-150400.24.17.1
- openvswitch&distro=openSUSE Tumbleweed< 3.1.0-18.1
Debian1 product
- openvswitch< 3.1.0-2+deb12u1 | < 3.1.2-1 | < 2.10.7+ds1-0+deb10u5
Openvswitch1 product
- openvswitch< 2023-02-28
Ubuntu1 product
- openvswitchAll versions (No fix recorded) | < 2.13.8-0ubuntu1.4 | < 2.17.9-0ubuntu0.22.04.1 | < 2.9.8-0ubuntu0.18.04.5+esm1 | < 2.13.8-0ubuntu1.3
6 vendors · 40 products
References
28 links- bugzilla.redhat.com/show_bug.cgi?id=2006347Issue TrackingX Refsource REDHATREPORTPatchThird Party Advisory
