CVE-2026-86847: medium-severity vulnerability in Red Hat Fast Datapath for RHEL 10
Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto writeback chain cleanup
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected products
Red Hat · Fast Datapath for RHEL 10Red Hat · Fast Datapath for RHEL 8Red Hat · Fast Datapath for RHEL 9Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat OpenShift Container Platform 4Red Hat · Red Hat OpenStack Platform 13 (Queens)Related CVEs — Red Hat Fast Datapath for RHEL 10
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