{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-100236", "tracking": { "current_release_date": "2026-10-28T18:08:58.182596Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-100236", "initial_release_date": "2026-10-14T17:33:10.652905Z", "revision_history": [ { "date": "2026-10-14T17:33:10.652905Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-10-14T17:33:17.078269Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-10-15T00:43:34.161422Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Products connected (1)." }, { "date": "2026-10-15T00:43:41.470815Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-10-15T05:30:40.937425Z", "number": "5", "summary": "CVSS created.| CWES created (1).| Products created (5).| References created (2).| Description created for source.| Unknown change.| Product Identifiers created (5)." }, { "date": "2026-10-15T05:30:54.733386Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-10-15T06:44:58.740835Z", "number": "7", "summary": "Description created for source." }, { "date": "2026-10-15T12:34:18.193861Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (34).| Product Identifiers created (8).| Product Remediations created (34).| References created (2).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-10-15T12:34:33.036875Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-10-17T12:22:20.434787Z", "number": "10", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| CWES updated (1)." }, { "date": "2026-10-20T02:40:54.226318Z", "number": "11", "summary": "Unknown change." }, { "date": "2026-10-20T07:30:48.454363Z", "number": "12", "summary": "EPSS created.| Unknown change." }, { "date": "2026-10-20T07:43:35.268452Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-10-28T12:34:02.891384Z", "number": "14", "summary": "Products created (1).| Product Identifiers created (1).| Product Remediations created (1)." }, { "date": "2026-10-28T12:34:14.405397Z", "number": "15", "summary": "NCSC Score updated." } ], "status": "interim", "version": "15" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/10", "product": { "name": "vers:rpm/10", "product_id": "CSAFPID-9165651", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10::fastdatapath" } } } ], "category": "product_name", "name": "Fast Datapath for RHEL 10" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1459376", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8::fastdatapath" } } } ], "category": "product_name", "name": "Fast Datapath for RHEL 8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/9", "product": { "name": "vers:rpm/9", "product_id": "CSAFPID-1459384", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:9::fastdatapath" } } } ], "category": "product_name", "name": "Fast Datapath for RHEL 9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/10", "product": { "name": "vers:rpm/10", "product_id": "CSAFPID-2858634", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:10" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1439317", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/9", "product": { "name": "vers:rpm/9", "product_id": "CSAFPID-1439319", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:9" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/4", "product": { "name": "vers:rpm/4", "product_id": "CSAFPID-1439328", "product_identification_helper": { "cpe": "cpe:/a:redhat:openshift:4" } } } ], "category": "product_name", "name": "Red Hat OpenShift Container Platform 4" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/13", "product": { "name": "vers:rpm/13", "product_id": "CSAFPID-5008760", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:13" } } } ], "category": "product_name", "name": "Red Hat OpenStack Platform 13 (Queens)" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9165656" } } ], "category": "product_name", "name": "dpdk" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459391" } } ], "category": "product_name", "name": "dpdk" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459392" } } ], "category": "product_name", "name": "dpdk" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9708349" } } ], "category": "product_name", "name": "grout" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9165652" } } ], "category": "product_name", "name": "openvswitch3.5" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9165653" } } ], "category": "product_name", "name": "openvswitch3.6" } ], "category": "product_family", "name": "Fast Datapath for RHEL 10" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9708350" } } ], "category": "product_name", "name": "grout" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459385" } } ], "category": "product_name", "name": "openvswitch2.17" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459386" } } ], "category": "product_name", "name": "openvswitch3.0" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459387" } } ], "category": "product_name", "name": "openvswitch3.1" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459388" } } ], "category": "product_name", "name": "openvswitch3.2" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459389" } } ], "category": "product_name", "name": "openvswitch3.3" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459390" } } ], "category": "product_name", "name": "openvswitch3.4" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9165654" } } ], "category": "product_name", "name": "openvswitch3.5" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9165655" } } ], "category": "product_name", "name": "openvswitch3.6" } ], "category": "product_family", "name": "Fast Datapath for RHEL 9" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-9708351" } } ], "category": "product_name", "name": "openvswitch" } ], "category": "product_family", "name": "Red Hat OpenStack Platform 13 (Queens)" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459377" } } ], "category": "product_name", "name": "openvswitch2.11" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459378" } } ], "category": "product_name", "name": "openvswitch2.12" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459379" } } ], "category": "product_name", "name": "openvswitch2.13" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459380" } } ], "category": "product_name", "name": "openvswitch2.15" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459381" } } ], "category": "product_name", "name": "openvswitch2.16" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459382" } } ], "category": "product_name", "name": "openvswitch2.17" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459383" } } ], "category": "product_name", "name": "openvswitch3.1" } ], "category": "product_family", "name": "Fast Datapath for RHEL 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459393" } } ], "category": "product_name", "name": "openvswitch2.17" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459394" } } ], "category": "product_name", "name": "openvswitch3.0" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459395" } } ], "category": "product_name", "name": "openvswitch3.1" } ], "category": "product_family", "name": "Red Hat OpenShift Container Platform 4" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:microsoft/*", "product": { "name": "vers:microsoft/*", "product_id": "CSAFPID-9905946", "product_identification_helper": { "cpe": "cpe:2.3:a:microsoft:azl3_dpdk_23.11.3-1:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "azl3 dpdk 23.11.3-1 on Azure Linux 3.0" } ], "category": "product_family", "name": "Mariner" } ], "category": "vendor", "name": "Microsoft" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-1455962" } } ], "category": "product_name", "name": "dpdk" } ], "category": "product_family", "name": "bookworm" } ], "category": "vendor", "name": "Debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-100236", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "description", "text": "A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-100236" }, { "category": "description", "text": "A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-100236" }, { "category": "description", "text": "A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-100236" }, { "category": "description", "text": "A flaw was found in the DPDK GSO library. When software GSO copies packet headers into a new mbuf, it does not check that the header fits in the source first segment or in the destination buffer, and a header longer than the configured GSO segment size can underflow the payload-size calculation. A remote or guest-supplied packet processed with software GSO can trigger an out-of-bounds read or write.\nThis vulnerability is rated as having an Important severity because an unauthenticated remote attacker or guest virtual machine can cause heap memory corruption, leading to a process crash or potential code execution without requiring elevated privileges. The flaw affects environments using Data Plane Development Kit (DPDK) applications where software Generic Segmentation Offload (GSO) processes packets from untrusted network sources or guest interfaces. Workloads that do not utilize software GSO or rely entirely on hardware-based segmentation offloading are not impacted by this issue.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-100236" }, { "category": "description", "text": "Dpdk: dpdk: heap out-of-bounds read/write in gso header copy", "title": "microsoft - https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Oct" }, { "category": "other", "text": "0.00326", "title": "EPSS" }, { "category": "other", "text": "4.2", "title": "NCSC Score" }, { "category": "other", "text": "VENDOR FIX as product remediation category", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is product_remediation data available from source Redhat, There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-1455962", "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439328", "CSAFPID-1459376", "CSAFPID-1459377", "CSAFPID-1459378", "CSAFPID-1459379", "CSAFPID-1459380", "CSAFPID-1459381", "CSAFPID-1459382", "CSAFPID-1459383", "CSAFPID-1459384", "CSAFPID-1459385", "CSAFPID-1459386", "CSAFPID-1459387", "CSAFPID-1459388", "CSAFPID-1459389", "CSAFPID-1459390", "CSAFPID-1459391", "CSAFPID-1459392", "CSAFPID-1459393", "CSAFPID-1459394", "CSAFPID-1459395", "CSAFPID-2858634", "CSAFPID-5008760", "CSAFPID-9165651", "CSAFPID-9165652", "CSAFPID-9165653", "CSAFPID-9165654", "CSAFPID-9165655", "CSAFPID-9165656", "CSAFPID-9708349", "CSAFPID-9708350", "CSAFPID-9708351", "CSAFPID-9905946" ] }, "references": [ { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-100236" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100236" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-100236" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-100236" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-100236" }, { "category": "external", "summary": "Source - microsoft", "url": "https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2026-Oct" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://access.redhat.com/security/cve/CVE-2026-100236" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541488" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-100236" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100236" } ], "remediations": [ { "category": "mitigation", "details": "Do not run software GSO (rte_gso_segment / testpmd --enable-gso) on untrusted packets. Size direct_pool larger than the max header (~208 B tunneled). That does not fully cover the short-first-segment over-read.", "product_ids": [ "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439328", "CSAFPID-1459376", "CSAFPID-1459377", "CSAFPID-1459378", "CSAFPID-1459379", "CSAFPID-1459380", "CSAFPID-1459381", "CSAFPID-1459382", "CSAFPID-1459383", "CSAFPID-1459384", "CSAFPID-1459385", "CSAFPID-1459386", "CSAFPID-1459387", "CSAFPID-1459388", "CSAFPID-1459389", "CSAFPID-1459390", "CSAFPID-1459391", "CSAFPID-1459392", "CSAFPID-1459393", "CSAFPID-1459394", "CSAFPID-1459395", "CSAFPID-2858634", "CSAFPID-5008760", "CSAFPID-9165651", "CSAFPID-9165652", "CSAFPID-9165653", "CSAFPID-9165654", "CSAFPID-9165655", "CSAFPID-9165656", "CSAFPID-9708349", "CSAFPID-9708350", "CSAFPID-9708351" ] }, { "category": "vendor_fix", "details": "Release Notes", "product_ids": [ "CSAFPID-9905946" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "baseScore": 8.6, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1439317", "CSAFPID-1439319", "CSAFPID-1439328", "CSAFPID-1455962", "CSAFPID-1459376", "CSAFPID-1459377", "CSAFPID-1459378", "CSAFPID-1459379", "CSAFPID-1459380", "CSAFPID-1459381", "CSAFPID-1459382", "CSAFPID-1459383", "CSAFPID-1459384", "CSAFPID-1459385", "CSAFPID-1459386", "CSAFPID-1459387", "CSAFPID-1459388", "CSAFPID-1459389", "CSAFPID-1459390", "CSAFPID-1459391", "CSAFPID-1459392", "CSAFPID-1459393", "CSAFPID-1459394", "CSAFPID-1459395", "CSAFPID-2858634", "CSAFPID-5008760", "CSAFPID-9165651", "CSAFPID-9165652", "CSAFPID-9165653", "CSAFPID-9165654", "CSAFPID-9165655", "CSAFPID-9165656", "CSAFPID-9708349", "CSAFPID-9708350", "CSAFPID-9708351", "CSAFPID-9905946" ] } ], "title": "CVE-2026-100236" } ] }