CVE-2026-63806: KVM: Replace guest-triggerable BUG_ON() in ioeventfd datamatch with get_unaligned()

Overview

Severity

High (CVSS 7.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-20

Last Updated

2026-08-13

EPSS Score

0.15% (percentile: 4.9%)

Affected Products (1)

Other

• 21580-17084

Revision History

• 2026-07-20: Information published.
• 2026-07-20: Information published.
• 2026-08-13: Information published.