The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1765 advisory.

    Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote     per-flow control of traffic.

    Security Fix(es):

    * openvswitch: ip proto 0 triggers incorrect handling (CVE-2023-1668)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * [23.C RHEL-8] Fast Datapath Release (BZ#2177685)

    * [CT] Inner header of ICMP related traffic does not get DNATed (BZ#2178200)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1769 advisory.

    Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote     per-flow control of traffic.

    Security Fix(es):

    * openvswitch: ip proto 0 triggers incorrect handling (CVE-2023-1668)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * [23.C RHEL-9] Fast Datapath Release (BZ#2177686)

    * [CT] Inner header of ICMP related traffic does not get DNATed (BZ#2178203)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2275-1 advisory.

  - An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.
    (CVE-2022-4337)

  - An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.
    (CVE-2022-4338)

  - A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the     datapath flow without the action modifying the IP header. This issue results (for both kernel and     userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for     this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=     0 IP protocol that matches this dp flow. (CVE-2023-1668)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:2621-1 advisory.

  - A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the     datapath flow without the action modifying the IP header. This issue results (for both kernel and     userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for     this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=     0 IP protocol that matches this dp flow. (CVE-2023-1668)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of openvswitch installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-1668 advisory.

  - A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the     datapath flow without the action modifying the IP header. This issue results (for both kernel and     userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for     this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=     0 IP protocol that matches this dp flow. (CVE-2023-1668)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update of the openvswitch package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the     datapath flow without the action modifying the IP header. This issue results (for both kernel and     userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for     this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=     0 IP protocol that matches this dp flow. (CVE-2023-1668)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0280-1 advisory.

    Update to v3.1.7:

     - CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload     (bsc#1219465).
     - CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of     service (bsc#1255435).
     - CVE-2023-1668: openvswitch: remote traffic denial of service via crafted packets with IP proto 0     (bsc#1210054).
     - CVE-2023-3153: openvswitch,openvswitch3: service monitor MAC flow is not rate limited (bsc#1212125).
     - CVE-2023-5366: openvswitch: missing masks on a final stage with ports trie (bsc#1216002).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dsa-5387 advisory.

  - A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the     datapath flow without the action modifying the IP header. This issue results (for both kernel and     userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for     this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=     0 IP protocol that matches this dp flow. (CVE-2023-1668)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1824 advisory.

    Open vSwitch provides standard network bridging functions and support for     the OpenFlow protocol for remote per-flow control of traffic.

    Security Fix(es):

    * openvswitch: ip proto 0 triggers incorrect handling (CVE-2023-1668)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * [23.C RHEL-8] Fast Datapath Release (BZ#2184496)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3410 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-3410-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                       Guilhem Moulin     May 01, 2023                                  https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : openvswitch     Version        : 2.10.7+ds1-0+deb10u4     CVE ID         : CVE-2023-1668     Debian Bug     : 1034042

    David Marchand discovered that Open vSwitch, a multilayer, software-based,     Ethernet virtual switch, was vulnerable to crafted IP packets with ip proto     set to 0, potentially causing a denial of service.

    Triggering the vulnerability requires an attacker to send a crafted IP     packet with protocol field set to 0 and the flow rules to contain 'set'     actions on other fields in the IP protocol header.  The resulting flows will     omit required actions, and fail to mask the IP protocol field, resulting in     a large bucket which captures all IP packets.

    For Debian 10 buster, this problem has been fixed in version     2.10.7+ds1-0+deb10u4.

    We recommend that you upgrade your openvswitch packages.

    For the detailed security status of openvswitch please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/openvswitch

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6068-1 advisory.

    David Marchand discovered that Open vSwitch incorrectly handled IP packets with the protocol set to 0. A     remote attacker could possibly use this issue to cause a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-7da03dc2ae advisory.

    Update for 3.1.1 (#2185071), includes fixes for CVE-2023-1668 (#2186245)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:2296-1 advisory.

  - A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the     datapath flow without the action modifying the IP header. This issue results (for both kernel and     userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcarded) for     this flow, but with an incorrect action, possibly causing incorrect handling of other IP packets with a !=     0 IP protocol that matches this dp flow. (CVE-2023-1668)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0290-1 advisory.

    Update to v3.1.7:

     - CVE-2023-3966: openvswitch, openvswitch3: Invalid memory access in Geneve with HW offload     (bsc#1219465).
     - CVE-2024-2182: openvswitch: ov: insufficient validation of incoming BFD packets may lead to denial of     service (bsc#1255435).
     - CVE-2023-1668: openvswitch: remote traffic denial of service via crafted packets with IP proto 0     (bsc#1210054).
     - CVE-2023-3153: openvswitch,openvswitch3: service monitor MAC flow is not rate limited (bsc#1212125).
     - CVE-2023-5366: openvswitch: missing masks on a final stage with ports trie (bsc#1216002).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
174268	RHEL 8 : openvswitch2.17 (RHSA-2023:1765)	Nessus	Red Hat Local Security Checks	2023/4/13	2024/11/7	high
174269	RHEL 9 : openvswitch2.17 (RHSA-2023:1769)	Nessus	Red Hat Local Security Checks	2023/4/13	2024/11/7	high
176264	SUSE SLES15 Security Update : openvswitch (SUSE-SU-2023:2275-1)	Nessus	SuSE Local Security Checks	2023/5/24	2023/7/14	critical
177606	SUSE SLES12 Security Update : openvswitch (SUSE-SU-2023:2621-1)	Nessus	SuSE Local Security Checks	2023/6/25	2023/7/14	high
201591	CBL Mariner 2.0 Security Update: openvswitch (CVE-2023-1668)	Nessus	MarinerOS Local Security Checks	2024/7/3	2024/7/3	high
203883	Photon OS 3.0: Openvswitch PHSA-2023-3.0-0646	Nessus	PhotonOS Local Security Checks	2024/7/24	2024/7/24	high
252522	Linux Distros Unpatched Vulnerability : CVE-2023-1668	Nessus	Misc.	2025/8/20	2025/8/20	high
296468	SUSE SLES15 / openSUSE 15 Security Update : openvswitch (SUSE-SU-2026:0280-1)	Nessus	SuSE Local Security Checks	2026/1/24	2026/2/3	high
174273	Debian DSA-5387-1 : openvswitch - security update	Nessus	Debian Local Security Checks	2023/4/14	2023/4/25	high
174693	RHEL 8 : openvswitch2.15 (RHSA-2023:1824)	Nessus	Red Hat Local Security Checks	2023/4/25	2024/11/7	high
174966	Debian dla-3410 : openvswitch-common - security update	Nessus	Debian Local Security Checks	2023/5/1	2025/1/22	high
175567	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : Open vSwitch vulnerability (USN-6068-1)	Nessus	Ubuntu Local Security Checks	2023/5/13	2024/8/27	high
174659	Fedora 38 : openvswitch (2023-7da03dc2ae)	Nessus	Fedora Local Security Checks	2023/4/24	2024/11/14	high
176410	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : openvswitch (SUSE-SU-2023:2296-1)	Nessus	SuSE Local Security Checks	2023/5/26	2023/7/14	high
203310	Photon OS 4.0: Openvswitch PHSA-2023-4.0-0391	Nessus	PhotonOS Local Security Checks	2024/7/23	2024/7/23	high
204148	Photon OS 5.0: Openvswitch PHSA-2023-5.0-0093	Nessus	PhotonOS Local Security Checks	2024/7/24	2024/7/24	high
296678	SUSE SLES15 / openSUSE 15 Security Update : openvswitch3 (SUSE-SU-2026:0290-1)	Nessus	SuSE Local Security Checks	2026/1/27	2026/2/3	high

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