Description
A flaw was found in DPDK lib/vhost vhost-crypto. A guest can supply an avail-ring descriptor index that is used without bounds checking, causing an out-of-bounds write in the host vhost-crypto backend.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
Vendor Workaround
Do not attach a virtio-crypto vhost-user backend to untrusted guests.
Tracking
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Advisories
No advisories yet.
References
History
Wed, 14 Oct 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in DPDK lib/vhost vhost-crypto. A guest can supply an avail-ring descriptor index that is used without bounds checking, causing an out-of-bounds write in the host vhost-crypto backend. | |
| Title | Dpdk: dpdk: guest can trigger out-of-bounds write by controlling avail ring index in vhost-crypto | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat openshift Redhat openstack |
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:/a:redhat:openshift:4 cpe:/a:redhat:openstack:13 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:10::fastdatapath cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:8::fastdatapath cpe:/o:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9::fastdatapath |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat openshift Redhat openstack |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-14T17:52:07.604Z
Reserved: 2026-09-08T14:54:10.839Z
Link: CVE-2026-86846
No data.
Status : Received
Published: 2026-10-14T18:19:18.863
Modified: 2026-10-14T18:19:18.863
Link: CVE-2026-86846
No data.
OpenCVE Enrichment
No data.
Weaknesses
-
CWE-787
Out-of-bounds Write