Red Hat Red Hat Enterprise Linux 10 Use-After-Free Rated 8.8 CVSS
Last refreshed2026-10-15
Status: UPDATED
| Advisory ID: CVE-2026-86567
Key Details
CVE
CVE-2026-86567
CVSS Score / Version
8.8 (High) / CVSS v3.1
Updated
2026-10-15
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Prose
attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
see table below
Classified as
CWE-416 (Use After Free)
Exploitation prediction (EPSS)
0.14% probability of exploitation in the next 30 days (3% percentile) -- FIRST.org's EPSS model.
Affected Products, Subsystems & Sectors
Vendor
Product
Affected Versions
Patch Status
Red Hat
Red Hat Enterprise Linux 10
Red Hat
Red Hat Enterprise Linux 8
Red Hat
Red Hat Enterprise Linux 9
Red Hat
Red Hat OpenShift Container Platform 4
Red Hat
Red Hat OpenStack Platform 13 (Queens)
Red Hat
Fast Datapath for RHEL 10
Red Hat
Fast Datapath for RHEL 8
Red Hat
Fast Datapath for RHEL 9
Subsystems
OT Supporting Infrastructure
Sectors
Multiple
What to Know
A flaw was found in DPDK lib/vhost. The VDUSE handler fails to invalidate vring pointers when the IOTLB is invalidated, leading to use-after-unmap. (NVD)
What to Do
Monitor Red Hat's web page for any future patch releases.