CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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3Description
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.
Analysis
VirtIO Block device driver in virtio-win fails to properly release memory during device reset, enabling a use-after-free vulnerability that allows high-privileged local attackers to corrupt kernel memory and cause system instability or denial of service. Affected versions span Red Hat Enterprise Linux 8, 9, and 10; no public exploit code or active exploitation has been identified at time of analysis, though upstream fix is available via GitHub PR.
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EUVD-2026-17113