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    CVE-2023-5366

    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.

    Published:Sep 26, 2023
    Last Modified:Feb 13, 2025
    EPS:Oct 6, 2023
    EPSS Score:0.00025
    CVSS Score:7.1

    Affected Products

    Vendor
    Openvswitch
    Product
    Openvswitch
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Fast Datapath
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift Container Platform
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Virtualization

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-31679 (CVSS 7.1) — In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/set_masked…
    CVE-2023-3966 (CVSS 7.5) — A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may r…
    CVE-2024-22563 (CVSS 7.5) — openvswitch 2.17.8 was discovered to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/li…
    CVE-2022-4337 (CVSS 9.8) — An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.…
    CVE-2022-4338 (CVSS 9.8) — An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.…
    CVE-2019-25076 (CVSS 5.8) — The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to…
    CVE-2022-0669 (CVSS 6.5) — A flaw was found in dpdk. This flaw allows a malicious vhost-user master to attach an unexpected number of fds…
    CVE-2021-3905 (CVSS 7.5) — A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could …
    CVE-2021-36980 (CVSS 5.5) — Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called fr…
    CVE-2020-35498 (CVSS 7.5) — A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can a…

    References

    http://www.openwall.com/lists/oss-security/2024/02/08/4
    https://access.redhat.com/security/cve/CVE-2023-5366
    https://bugzilla.redhat.com/show_bug.cgi?id=2006347
    https://lists.debian.org/debian-lts-announce/2024/02/msg00004.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
    http://www.openwall.com/lists/oss-security/2024/02/08/4
    https://access.redhat.com/security/cve/CVE-2023-5366
    https://bugzilla.redhat.com/show_bug.cgi?id=2006347
    https://lists.debian.org/debian-lts-announce/2024/02/msg00004.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High