CVE-2026-86562 DPDK lib/vhost - Buffer Overflow

DPDK lib/vhost contains a heap buffer overflow caused by a TOCTOU double-fetch of control-queue descriptors in the VDUSE control-queue handler, letting attackers execute arbitrary code, exploit requires crafted control-queue descriptors.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-362

Vendor fix

Update to the latest version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs