{"id":"CVE-2026-86848","title":"A flaw was found in DPDK lib/vhost vhost-crypto","summary":"A flaw was found in DPDK lib/vhost vhost-crypto. The indirect-descriptor snapshot double-fetches a guest descriptor next index, allowing a malicious guest to cause an out-of-bounds access in the host backend.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-367"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:18:00.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86848","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-86848","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2529853","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-86848.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-86848"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86848"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-14T18:47:39.319Z","vendor":"Red Hat","product":"grout","affected":["grout (all versions)","openvswitch3.5 (all versions)","openvswitch3.6 (all versions)","openvswitch2.11 (all versions)","openvswitch2.12 (all versions)","openvswitch2.13 (all versions)","openvswitch2.15 (all versions)","openvswitch2.16 (all versions)","openvswitch2.17 (all versions)","openvswitch3.1 (all versions)","grout (all versions)","openvswitch2.17 (all versions)","openvswitch3.0 (all versions)","openvswitch3.1 (all versions)","openvswitch3.2 (all versions)","openvswitch3.3 (all versions)","openvswitch3.4 (all versions)","openvswitch3.5 (all versions)","openvswitch3.6 (all versions)","dpdk (all versions)","dpdk (all versions)","dpdk (all versions)","openvswitch2.17 (all versions)","openvswitch3.0 (all versions)","openvswitch3.1 (all versions)","openvswitch (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-14T19:34:12.676054Z"},"epss":0.0011,"epssPercentile":0.01247,"slug":"CVE-2026-86848","body":"## Overview\n\nA flaw was found in DPDK lib/vhost vhost-crypto. The indirect-descriptor snapshot double-fetches a guest descriptor next index, allowing a malicious guest to cause an out-of-bounds access in the host backend.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Fast Datapath for RHEL 10, Fast Datapath for RHEL 8, Fast Datapath for RHEL 9, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · no fix planned: Fast Datapath for RHEL 10, Fast Datapath for RHEL 8, Fast Datapath for RHEL 9, Red Hat Enterprise Linux 10, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-86848.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}