CVE-2026-5165

Medium

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.

SeverityMedium

CVSS6.7

Exploit probability—

Product

Redhat Virtio-win

PublishedMar 30, 2026

First seenMar 30, 2026

Weakness typeCWE-825CWE-825

How to fix

Vendor advisories

access.redhat.com/security/cve/CVE-2026-5165
bugzilla.redhat.com/show_bug.cgi?id=2453015

Affected products

Product	Affected versions	Fixed in
redhat virtio-win	No range specified	—
redhat enterprise_linux	9.0, 10.0	—

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