CVE-2026-5165 MEDIUM

CVE-2026-5165: Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-825
Published March 30, 2026
Last update April 28, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 30, 2026 CVE published
April 28, 2026 Record updated