A flaw was found in the DPDK nfp vDPA driver. Stack and heap buffers sized for a single queue pair can be overflowed when more virtqueues are configured, leading to a host crash or memory corruption.
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Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
Avoid using the nfp vDPA driver in production until patched. Do not attach untrusted guests to an NFP VF running with class=vdpa.
References
History
Wed, 14 Oct 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the DPDK nfp vDPA driver. Stack and heap buffers sized for a single queue pair can be overflowed when more virtqueues are configured, leading to a host crash or memory corruption. | |
| Title | Dpdk: dpdk: stack and heap buffer overflow in nfp vdpa driver | |
| 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
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-14T17:52:14.805Z
Reserved: 2026-09-08T15:39:19.083Z
Link: CVE-2026-86856
No data.
Status : Received
Published: 2026-10-14T18:19:19.580
Modified: 2026-10-14T18:19:19.580
Link: CVE-2026-86856
No data.
OpenCVE Enrichment
No data.
Weaknesses