CVE-2026-97478: virt: acrn: Fix irqfd use-after-free during eventfd shutdown

Overview

Severity

Medium (CVSS 4.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-28

EPSS Score

0.12% (percentile: 1.7%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-09-28: Information published.