The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017643 advisory.

    Buffer overflow in the lldp_decode function in daemon/protocols/lldp.c in lldpd before 0.8.0 allows remote     attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via vectors     involving large management addresses and TLV boundaries.

Tenable has extracted the preceding description block directly from the Unity 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 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2205 advisory.

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

    Security Fix(es):

    * buffer overflow in the lldp_decode function in daemon/protocols/lldp.c     (CVE-2015-8011)

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

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 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0931 advisory.

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

    OVN, the Open Virtual Network, is a system to support virtual network     abstraction.  OVN complements the existing capabilities of OVS to add native support for virtual network     abstractions, such as virtual L2 and L3 overlays and security groups.

    Security Fix(es):

    * buffer overflow in the lldp_decode function in daemon/protocols/lldp.c     (CVE-2015-8011)

    * librte_vhost Integer overflow in vhost_user_set_log_base()     (CVE-2020-10722)

    * librte_vhost Integer truncation in     vhost_user_check_and_alloc_queue_pair() (CVE-2020-10723)

    * librte_vhost Missing inputs validation in Vhost-crypto (CVE-2020-10724)

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

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0028 advisory.

    The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include     redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH)     are installed using a special build of Red Hat Enterprise Linux with only the packages required to host     virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and     performing administrative tasks.

    The ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-     virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed     using a special build of Red Hat Enterprise Linux with only the packages required to host virtual     machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing     administrative tasks.

    The following packages have been upgraded to a later upstream version: openvswitch2.11 (2.11.3), ovn2.11     (2.11.1), redhat-release-virtualization-host (4.3.12), redhat-virtualization-host (4.3.12). (BZ#1898513,     BZ#1907537, BZ#1907538)

    Security Fix(es):

    * lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c (CVE-2015-8011)

    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.

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 Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4691-1 advisory.

    Jonas Rudloff discovered that Open vSwitch incorrectly handled certain malformed LLDP packets. A remote     attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or     possibly execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu 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 Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:5615 advisory.

  - lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c (CVE-2015-8011)

Note that Nessus has not tested for this issue 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
313756	Unity Linux 20.1060e / 20.1070e Security Update: openvswitch (UTSA-2026-017643)	Nessus	Unity Linux Local Security Checks	2026/5/11	2026/5/11	critical
150149	RHEL 7 : Red Hat OpenStack Platform 10.0 (openvswitch) (RHSA-2021:2205)	Nessus	Red Hat Local Security Checks	2021/6/2	2024/11/7	critical
147881	RHEL 7 : openvswitch2.11 and ovn2.11 (RHSA-2021:0931)	Nessus	Red Hat Local Security Checks	2021/3/18	2024/11/7	critical
144765	RHEL 7 : Red Hat Virtualization (RHSA-2021:0028)	Nessus	Red Hat Local Security Checks	2021/1/6	2024/11/7	critical
144943	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Open vSwitch vulnerabilities (USN-4691-1)	Nessus	Ubuntu Local Security Checks	2021/1/14	2024/8/27	critical
312496	RHCOS 4 : OpenShift Container Platform 4.6.9 (RHSA-2020:5615)	Nessus	Red Hat Local Security Checks	2026/5/6	2026/5/6	critical

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