Vulnerability record/PUBLISHED/Published Oct 14, 2026 16:08:04 UTC

CVE-2026-86563

A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.

Base score7.8/ 10

SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityHigh

Attack vectorLocalAV

Attack complexityLowAC

Privileges requiredLowPR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactHighA

CVSS vector stringCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authorityredhat

Last updatedNov 2, 2026 06:37:18 UTC

PublishedOct 14, 2026 16:08:04 UTC

ReservedSep 8, 2026 02:56:25 UTC

Credits

Red Hat would like to thank Ivar Al-Safawi for reporting this issue.