CVE-2026-86847

Description

A flaw was found in DPDK lib/vhost vhost-crypto. Write-back chain cleanup can follow an uninitialized next pointer when mapping a guest descriptor fails, causing the host vhost-crypto process to hang or crash.

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Produits concernés

• Red Hat Fast Datapath for RHEL 10
• Red Hat Fast Datapath for RHEL 8
• Red Hat Fast Datapath for RHEL 9
• Red Hat Enterprise Linux 10
• Red Hat Enterprise Linux 8
• Red Hat Enterprise Linux 9
• Red Hat OpenShift Container Platform 4
• Red Hat OpenStack Platform 13 (Queens)

Scores CVSS

Faiblesses (CWE)

• CWE-824

Références

• https://access.redhat.com/security/cve/CVE-2026-86847
• https://bugzilla.redhat.com/show_bug.cgi?id=2529847

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories