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Stack and heap buffers sized for a single queue pair can be overflowed when more virtqueues are configured, leading to a host crash or memory corruption.","epss":{"date":"2026-11-03","percentile":0.05714,"score":0.00165},"exploits":[],"kev":null,"metrics":[{"score":6.5,"severity":"medium","source":"CNA: redhat","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},{"score":6.5,"severity":"medium","source":"NVD: secalert@redhat.com","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793733494270,"publishedAt":1792000334805,"references":[{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:94629"},{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:94630"},{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-86856"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2529897"},{"source":"secalert@redhat.com","tags":[],"url":"https://access.redhat.com/errata/RHSA-2026:94629"},{"source":"secalert@redhat.com","tags":[],"url":"https://access.redhat.com/errata/RHSA-2026:94630"},{"source":"secalert@redhat.com","tags":[],"url":"https://access.redhat.com/security/cve/CVE-2026-86856"},{"source":"secalert@redhat.com","tags":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2529897"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"Avoid using the nfp vDPA driver in production until patched. Do not attach untrusted guests to an NFP VF running with class=vdpa."}],"revision":"9c50057af770c65228079d11c8eb48074ea2bf01daf91301fff147ead2784137","sources":[{"modifiedAt":1793730282768,"name":"CNA: redhat","retrievedAt":1793733067030,"url":"https://www.cve.org/CVERecord?id=CVE-2026-86856"},{"modifiedAt":1793733494270,"name":"NVD","retrievedAt":1793751455802,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86856"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793733073546,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-86856"}],"ssvc":{"assessedAt":1792075511104,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver","updatedAt":1793751455802}