CVE-2026-5165

MEDIUM

Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset

Title source: cna

Description

A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.

References (3)

Core 3

Core References

https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1493

Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat

https://access.redhat.com/security/cve/CVE-2026-5165

Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat

RHBZ#2453015

https://bugzilla.redhat.com/show_bug.cgi?id=2453015

Scores

CVSS v3 6.7

EPSS 0.0011

EPSS Percentile 1.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-825

Status published

Products (6)

Red Hat/Red Hat Enterprise Linux 10

Red Hat/Red Hat Enterprise Linux 8

Red Hat/Red Hat Enterprise Linux 9

redhat/enterprise_linux 9.0

redhat/enterprise_linux 10.0

redhat/virtio-win

Published Mar 30, 2026

Tracked Since Mar 30, 2026