What’s Vulnerable › Vulnerabilities

CVE-2026-86563: Dpdk: dpdk: double offset bug in vhost log mapping calculation

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-14
• Weakness: CWE-131

Description

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

Affected products

• Red Hat Fast Datapath for RHEL 10: all versions
• Red Hat Fast Datapath for RHEL 8: all versions
• Red Hat Fast Datapath for RHEL 9: all versions
• Red Hat OpenShift Container Platform 4.18: all versions
• Red Hat Enterprise Linux 10: all versions
• Red Hat Enterprise Linux 8: all versions
• Red Hat Enterprise Linux 9: all versions
• Red Hat OpenStack Platform 13 (Queens): all versions

References

• https://access.redhat.com/security/cve/CVE-2026-86563
• https://bugzilla.redhat.com/show_bug.cgi?id=2529668

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