CVE-2026-89329: Device-mapper-multipath: local denial of service via blocking ipc send operations

Overview

Severity

Medium (CVSS 6.2)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-17

EPSS Score

0.12% (percentile: 1.9%)

Affected Products (1)

Other

• 21879-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-17: Information published.