CVE-2026-89604: efivarfs: Rate limit statfs() handler

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-13

Last Updated

2026-09-14

EPSS Score

0.20% (percentile: 10.0%)

Affected Products (1)

Other

• 21684-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-13: Information published.
• 2026-09-14: Information published.