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.
CVE-2026-5165
CVSS base score
6.7 (v3.1)
Severity
MEDIUM
Attack vector
Local
Weakness
CWE-825
Last modified
November 5, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
redhat virtio-win
redhat enterprise linux
References
- access.redhat.com Vendor Advisory
- bugzilla.redhat.com Issue Tracking, Vendor Advisory
- github.com Issue Tracking