{ "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 ovn23.09 is now available for Fast Datapath for Red Hat Enterprise Linux 9.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "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.\n\nSecurity Fix(es):\n\n* ovn: egress ACLs may be bypassed via specially crafted UDP packet (CVE-2025-0650)\n\nFor 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.", "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-2025:1095", "url": "https://access.redhat.com/errata/RHSA-2025:1095" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2339537", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2339537" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_1095.json" } ], "title": "Red Hat Security Advisory: ovn23.09 security update", "tracking": { "current_release_date": "2026-03-18T02:50:35+00:00", "generator": { "date": "2026-03-18T02:50:35+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.7.3" } }, "id": "RHSA-2025:1095", "initial_release_date": "2025-02-05T15:16:57+00:00", "revision_history": [ { "date": "2025-02-05T15:16:57+00:00", "number": "1", "summary": "Initial version" }, { "date": "2025-02-05T15:16:57+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2026-03-18T02:50:35+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Fast Datapath for Red Hat Enterprise Linux 9", "product": { "name": "Fast Datapath for Red Hat Enterprise Linux 9", "product_id": "9Base-Fast-Datapath", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath" } } } ], "category": "product_family", "name": "Fast Datapath" }, { "branches": [ { "category": "product_version", "name": "ovn23.09-0:23.09.6-12.el9fdp.src", "product": { "name": "ovn23.09-0:23.09.6-12.el9fdp.src", "product_id": "ovn23.09-0:23.09.6-12.el9fdp.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/ovn23.09@23.09.6-12.el9fdp?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "ovn23.09-0:23.09.6-12.el9fdp.x86_64", "product": { "name": "ovn23.09-0:23.09.6-12.el9fdp.x86_64", "product_id": "ovn23.09-0:23.09.6-12.el9fdp.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/ovn23.09@23.09.6-12.el9fdp?arch=x86_64" } } }, { "category": "product_version", "name": "ovn23.09-central-0:23.09.6-12.el9fdp.x86_64", "product": { "name": "ovn23.09-central-0:23.09.6-12.el9fdp.x86_64", 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"9Base-Fast-Datapath" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-0650", "cwe": { "id": "CWE-284", "name": "Improper Access Control" }, "discovery_date": "2025-01-22T15:45:40.119000+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2339537" } ], "notes": [ { "category": "description", "text": "A flaw was found in the Open Virtual Network (OVN). Specially crafted UDP packets may bypass egress access control lists (ACLs) in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized access to virtual machines and containers running on the OVN network.", "title": "Vulnerability description" }, { "category": "summary", "text": "ovn: egress ACLs may be bypassed via specially crafted UDP packet", "title": "Vulnerability summary" }, { "category": "other", "text": "Fixes for OpenShift Container Platform ovn component will be consumed from RHEL Fast Datapath.", "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": [ "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.src", 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"9Base-Fast-Datapath:ovn23.09-vtep-0:23.09.6-12.el9fdp.x86_64", "9Base-Fast-Datapath:ovn23.09-vtep-debuginfo-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-vtep-debuginfo-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-vtep-debuginfo-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-vtep-debuginfo-0:23.09.6-12.el9fdp.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2025-0650" }, { "category": "external", "summary": "RHBZ#2339537", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2339537" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2025-0650", "url": "https://www.cve.org/CVERecord?id=CVE-2025-0650" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-0650", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-0650" }, { "category": "external", "summary": "https://www.openwall.com/lists/oss-security/2025/01/22/5", "url": "https://www.openwall.com/lists/oss-security/2025/01/22/5" } ], "release_date": "2024-01-21T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2025-02-05T15:16:57+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.src", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.x86_64", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.s390x", 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We recommend updating to a known patched version of OVN.", "product_ids": [ "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.src", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.x86_64", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.x86_64", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.x86_64", 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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.src", "9Base-Fast-Datapath:ovn23.09-0:23.09.6-12.el9fdp.x86_64", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-central-0:23.09.6-12.el9fdp.x86_64", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.aarch64", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.ppc64le", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.s390x", "9Base-Fast-Datapath:ovn23.09-central-debuginfo-0:23.09.6-12.el9fdp.x86_64", 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