{"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":"2026-10-20T01:41:29.598Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T01:41:21.354320Z","id":"CVE-2026-100236","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-20T01:41:29.598Z"}}]}}