Description
A flaw was found in DPDK lib/vhost. A TOCTOU double-fetch of control-queue descriptors allows a heap buffer overflow with attacker-controlled content in the VDUSE control-queue handler.
References8
- access.redhat.com/errata/RHSA-2026:94629
- access.redhat.com/errata/RHSA-2026:94630
- access.redhat.com/errata/RHSA-2026:96083
- access.redhat.com/errata/RHSA-2026:98505
- access.redhat.com/errata/RHSA-2026:98616
- access.redhat.com/security/cve/CVE-2026-86562
- bugzilla.redhat.com/show_bug.cgi?id=2529667
- git.dpdk.org/dpdk/commit/?id=6ec17781346e0fe4b566b6bf8f79be71f8…
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 8 · as of 11 November 2026
- CWE
- CWE-362
Could this be exploited in your environment?
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