{"api_version":"1","generated_at":"2026-11-02T10:03:34+00:00","cve":"CVE-2026-86563","urls":{"html":"https://cve.report/CVE-2026-86563","api":"https://cve.report/api/cve/CVE-2026-86563.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-86563","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-86563"},"summary":{"title":"Dpdk: dpdk: double offset bug in vhost log mapping calculation","description":"A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.","state":"PUBLISHED","assigner":"redhat","published_at":"2026-10-14 17:20:05","updated_at":"2026-11-02 07:18:04"},"problem_types":["CWE-131","CWE-131 Incorrect Calculation of Buffer Size"],"metrics":[{"version":"3.1","source":"secalert@redhat.com","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-86563","name":"https://access.redhat.com/security/cve/CVE-2026-86563","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2529668","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2529668","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-86563","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86563","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 10","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 10","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 10","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Fast Datapath for RHEL 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat OpenStack Platform 13 (Queens)","version":"","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-09-08T02:25:10.743Z","lang":"en","value":"Reported to Red Hat."},{"source":"CNA","time":"2026-10-14T15:00:39.825Z","lang":"en","value":"Made public."}],"solutions":[],"workarounds":[{"source":"CNA","title":"","value":"No mitigation is currently available.","time":"","lang":"en"}],"exploits":[],"credits":[{"source":"CNA","value":"Red Hat would like to thank Ivar Al-Safawi for reporting this issue.","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-86563","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-10-14T17:28:34.626460Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-10-14T17:28:41.374Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10::fastdatapath"],"defaultStatus":"affected","packageName":"grout","product":"Fast Datapath for RHEL 10","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.5","product":"Fast Datapath for RHEL 10","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.6","product":"Fast Datapath for RHEL 10","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.11","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.12","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.13","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.15","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.16","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.17","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.1","product":"Fast Datapath for RHEL 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"grout","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch2.17","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.0","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.1","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.2","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.3","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.4","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.5","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9::fastdatapath"],"defaultStatus":"affected","packageName":"openvswitch3.6","product":"Fast Datapath for RHEL 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"dpdk","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"dpdk","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"dpdk","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"openvswitch2.17","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"unaffected","packageName":"openvswitch3.0","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"openvswitch3.1","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openstack:13"],"defaultStatus":"affected","packageName":"openvswitch","product":"Red Hat OpenStack Platform 13 (Queens)","vendor":"Red Hat"}],"credits":[{"lang":"en","value":"Red Hat would like to thank Ivar Al-Safawi for reporting this issue."}],"datePublic":"2026-10-14T15:00:39.825Z","descriptions":[{"lang":"en","value":"A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-131","description":"Incorrect Calculation of Buffer Size","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-02T06:37:18.326Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-86563"},{"name":"RHBZ#2529668","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2529668"}],"timeline":[{"lang":"en","time":"2026-09-08T02:25:10.743Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-10-14T15:00:39.825Z","value":"Made public."}],"title":"Dpdk: dpdk: double offset bug in vhost log mapping calculation","workarounds":[{"lang":"en","value":"No mitigation is currently available."}],"x_generator":{"engine":"cvelib 1.8.0"},"x_redhatCweChain":"CWE-131: Incorrect Calculation of Buffer Size"}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2026-86563","datePublished":"2026-10-14T16:08:04.096Z","dateReserved":"2026-09-08T02:56:25.265Z","dateUpdated":"2026-11-02T06:37:18.326Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-14 17:20:05","lastModifiedDate":"2026-11-02 07:18:04","problem_types":["CWE-131","CWE-131 Incorrect Calculation of Buffer Size"],"metrics":{"cvssMetricV31":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-14T17:28:34.626460Z","id":"CVE-2026-86563","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"86563","Ordinal":"1","Title":"Dpdk: dpdk: double offset bug in vhost log mapping calculation","CVE":"CVE-2026-86563","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"86563","Ordinal":"1","NoteData":"A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.","Type":"Description","Title":"Dpdk: dpdk: double offset bug in vhost log mapping calculation"}]}}}