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Medium 6.5Published Oct 14, 2026
CVE-2026-86847Dpdk: dpdk: guest can trigger infinite loop in vhost-crypto writeback chain cleanup
Updated under an hour ago ()
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It affects Red Hat Fast Datapath for RHEL 10 and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Weakness (CWE)
- CWE-824
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
Red Hat Fast Datapath for RHEL 10 redhat:enterprise_linux | 10 | CNA record |
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift | 4 | CNA record |
Red Hat Red Hat OpenStack Platform 13 (Queens) redhat:openstack | 13 | CNA record |
References
- https://access.redhat.com/security/cve/CVE-2026-86847vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2529847issue-tracking, x-refsource-redhat
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.