CVE-2026-98989: namespace: check a recursive bind mount for mount namespace loops

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-Oct

Released

2026-10-25

Last Updated

2026-10-26

EPSS Score

0.17% (percentile: 5.9%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-10-25: Information published.
• 2026-10-26: Information published.
• 2026-10-26: Information published.