CVE-2026-86563: Dpdk: dpdk: double offset bug in vhost log mapping calculation
Published Sep 8, 2026
·Updated
A flaw was found in DPDK lib/vhost. A double-offset bug in vhost log mapping calculation can lead to incorrect memory access.
Other sources
A flaw was found in DPDK lib/vhost. The vhost log mapping calculation applies the mmap offset twice, which can lead to incorrect memory access.
— Red Hat
Affected Software
1 affected component
DPDK lib/vhost
Event History
Sep 8, 2026
Data Sourced
via Red Hat·02:28 AM
DescriptionSeverityAffected Software
Oct 14, 2026
CVE Published
via MITRE·04:08 PM
Data Sourced
via MITRE·04:08 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:20 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Is this vulnerability exploitable remotely?
The supplied vector identifies the attack vector as local. Exploitation requires low-level privileges and does not require user interaction.
2
What security impact can successful exploitation have?
The severity vector rates confidentiality, integrity, and availability impacts as high. The underlying issue can cause incorrect memory access in DPDK lib/vhost.