Use-After-Free Vulnerability in VirtIO Block Device by Red Hat
CVE-2026-5165

6.7MEDIUM

Key Information:

Vendor: Red Hat
Status: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9
Vendor: CVE Published:; 30 March 2026

What is CVE-2026-5165?

A vulnerability has been identified in the virtio-win package, specifically concerning the VirtIO Block device. It arises from improper memory management during the reset process of the device, leading to a use-after-free condition. This flaw enables a local attacker to manipulate system memory, which can cause system instability or unpredictable behavior, potentially affecting the overall functionality of systems relying on this device.

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