{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-100236", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-25T16:00:50.249Z", "datePublished": "2026-10-14T16:33:25.792Z", "dateUpdated": "2026-10-14T16:33:25.792Z" }, "containers": { "cna": { "title": "Dpdk: dpdk: heap out-of-bounds read/write in gso header copy", "metrics": [ { "other": { "content": { "value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "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." } ], "affected": [ { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grout", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.5", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.6", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.11", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.12", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.13", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.15", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.16", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.17", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.1", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "grout", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.17", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.0", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.1", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.2", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.3", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.4", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.5", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Fast Datapath for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.6", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9::fastdatapath" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "dpdk", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch2.17", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:openshift:4" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.0", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:openshift:4" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch3.1", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:openshift:4" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenStack Platform 13 (Queens)", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openvswitch", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:openstack:13" ] } ], "references": [ { "url": "https://access.redhat.com/security/cve/CVE-2026-100236", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541488", "name": "RHBZ#2541488", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2026-10-14T15:03:23.201Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-787", "description": "Out-of-bounds Write", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-787: Out-of-bounds Write", "workarounds": [ { "lang": "en", "value": "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." } ], "timeline": [ { "lang": "en", "time": "2026-09-25T15:53:18.636Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-10-14T15:03:23.201Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Alexandru-Ionut Jipa for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-14T16:33:25.792Z" }, "x_generator": { "engine": "cvelib 1.8.0" } } } }