{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for openvswitch2.11 and ovn2.11 is now available for Red Hat\nOpenStack Platform 13 (Queens).\n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Open vSwitch provides standard network bridging functions and support for\nthe OpenFlow protocol for remote per-flow control of traffic.\n\nOVN, the Open Virtual Network, is a system to support virtual network\nabstraction. 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.\n\nSecurity Fix(es):\n\n* buffer overflow in the lldp_decode function in daemon/protocols/lldp.c\n(CVE-2015-8011)\n\n* librte_vhost Integer overflow in vhost_user_set_log_base()\n(CVE-2020-10722)\n\n* librte_vhost Integer truncation in\nvhost_user_check_and_alloc_queue_pair() (CVE-2020-10723)\n\n* librte_vhost Missing inputs validation in Vhost-crypto (CVE-2020-10724)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:0931", "url": "https://access.redhat.com/errata/RHSA-2021:0931" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1828867", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1828867" }, { "category": "external", "summary": "1828874", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1828874" }, { "category": "external", "summary": "1828884", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1828884" }, { "category": "external", "summary": "1896536", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1896536" }, { "category": "external", "summary": "1905246", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1905246" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0931.json" } ], "title": "Red Hat Security Advisory: openvswitch2.11 and ovn2.11 security update", "tracking": { "current_release_date": "2026-03-18T11:27:15+00:00", "generator": { "date": "2026-03-18T11:27:15+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.7.3" } }, "id": "RHSA-2021:0931", "initial_release_date": "2021-03-18T13:08:46+00:00", "revision_history": [ { "date": "2021-03-18T13:08:46+00:00", "number": "1", "summary": "Initial version" }, { "date": "2021-03-18T13:08:46+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2026-03-18T11:27:15+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat OpenStack Platform 13.0", "product": { "name": "Red Hat OpenStack Platform 13.0", "product_id": "7Server-RH7-RHOS-13.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:13::el7" } } }, { "category": "product_name", "name": "Red Hat OpenStack Platform 13.0", "product": { "name": "Red Hat OpenStack Platform 13.0", "product_id": "7Server-RH7-RHOS-DEVTOOLS-13.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:13::el7" } } }, { "category": "product_name", "name": "Red Hat OpenStack Platform 13.0", "product": { "name": "Red Hat OpenStack Platform 13.0", "product_id": "7Server-RH7-RHOS-DEPLOYMENT-TOOLS-13.0", 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This flaw 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. This threatens the system's confidentiality, integrity, and availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c", "title": "Vulnerability summary" }, { "category": "other", "text": "The lldpd package as shipped with Red Hat Enterprise Linux 8 is not affected by this flaw because it has already received the patch. The flaw affects versions before 0.8.0 and the shipped version is 1.0.1+. In addition, Red Hat Virtualization 4.3 manager appliance is out of support scope and therefore no fix for it will be delivered.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.x86_64", "7Server-RH7-RHOS-13.0:openvswitch2.11-debuginfo-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-debuginfo-0:2.11.3-77.el7fdp.x86_64", 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"7Server-RH7-RHOS-DEVTOOLS-13.0:python-openvswitch2.11-0:2.11.3-77.el7fdp.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "lldpd: buffer overflow in the lldp_decode function in daemon/protocols/lldp.c" }, { "acknowledgments": [ { "names": [ "Ferruh Yigit" ], "organization": "Reporter" } ], "cve": "CVE-2020-10722", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "discovery_date": "2020-04-28T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1828867" } ], "notes": [ { "category": "description", "text": "A vulnerability was found in DPDK versions 18.05 and above. A missing check for an integer overflow in vhost_user_set_log_base() could result in a smaller memory map than requested, possibly allowing memory corruption.", "title": "Vulnerability description" }, { "category": "summary", "text": "dpdk: librte_vhost Integer overflow in vhost_user_set_log_base()", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the versions of Ceph as shipped with Red Hat Ceph Storage 3 and 4, as they did not include support for DPDK.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.src", 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"https://nvd.nist.gov/vuln/detail/CVE-2020-10722" }, { "category": "external", "summary": "https://bugs.dpdk.org/show_bug.cgi?id=267", "url": "https://bugs.dpdk.org/show_bug.cgi?id=267" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2020/05/18/2", "url": "https://www.openwall.com/lists/oss-security/2020/05/18/2" } ], "release_date": "2020-05-18T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-03-18T13:08:46+00:00", "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.src", 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Bugzilla ID", "text": "1828874" } ], "notes": [ { "category": "description", "text": "A memory corruption issue was found in DPDK versions 17.05 and above. This flaw is caused by an integer truncation on the index of a payload. Under certain circumstances, the index (a UInt) is copied and truncated into a uint16, which can lead to out of bound indexing and possible memory corruption.", "title": "Vulnerability description" }, { "category": "summary", "text": "dpdk: librte_vhost Integer truncation in vhost_user_check_and_alloc_queue_pair()", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the versions of Ceph as shipped with Red Hat Ceph Storage 3 and 4, as they did not include support for DPDK.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", 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"external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-10723", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10723" }, { "category": "external", "summary": "https://bugs.dpdk.org/show_bug.cgi?id=268", "url": "https://bugs.dpdk.org/show_bug.cgi?id=268" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2020/05/18/2", "url": "https://www.openwall.com/lists/oss-security/2020/05/18/2" } ], "release_date": "2020-05-18T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-03-18T13:08:46+00:00", "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.ppc64le", 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Hat Bugzilla ID", "text": "1828884" } ], "notes": [ { "category": "description", "text": "A vulnerability was found in DPDK versions 18.11 and above. The vhost-crypto library code is missing validations for user-supplied values, potentially allowing an information leak through an out-of-bounds memory read.", "title": "Vulnerability description" }, { "category": "summary", "text": "dpdk: librte_vhost Missing inputs validation in Vhost-crypto", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue did not affect the versions of Ceph as shipped with Red Hat Ceph Storage 3 and 4, as they did not include support for DPDK. Red Hat Enterprise Linux 7 and 8 are not affected by this flaw, as vhost-crypto backend is not built and shipped in DPDK packages.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.x86_64", "7Server-RH7-RHOS-13.0:openvswitch2.11-debuginfo-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-debuginfo-0:2.11.3-77.el7fdp.x86_64", 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"category": "vendor_fix", "date": "2021-03-18T13:08:46+00:00", "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.noarch", "7Server-RH7-RHOS-13.0:openvswitch-selinux-extra-policy-0:1.0-17.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.src", "7Server-RH7-RHOS-13.0:openvswitch2.11-0:2.11.3-77.el7fdp.x86_64", "7Server-RH7-RHOS-13.0:openvswitch2.11-debuginfo-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-debuginfo-0:2.11.3-77.el7fdp.x86_64", "7Server-RH7-RHOS-13.0:openvswitch2.11-devel-0:2.11.3-77.el7fdp.ppc64le", "7Server-RH7-RHOS-13.0:openvswitch2.11-devel-0:2.11.3-77.el7fdp.x86_64", "7Server-RH7-RHOS-13.0:openvswitch2.11-test-0:2.11.3-77.el7fdp.noarch", 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"7Server-RH7-RHOS-DEVTOOLS-13.0:python-openvswitch2.11-0:2.11.3-77.el7fdp.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "dpdk: librte_vhost Missing inputs validation in Vhost-crypto" } ] }