CVE-2023-30434: IBM Storage Scale denial of service

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-05 · updated 2026-06-17
Weakness: CWE-20

Description

IBM Storage Scale (IBM Spectrum Scale 5.1.0.0 through 5.1.2.9, 5.1.3.0 through 5.1.6.1 and IBM Elastic Storage Systems 6.1.0.0 through 6.1.2.5, 6.1.3.0 through 6.1.6.0) could allow a local user to cause a kernel panic. IBM X-Force ID: 252187.

Affected products

IBM Elastic Storage System: from 6.1.0.0 before 6.1.2.6; from 6.1.3.0 before 6.1.6.1 — fixed in 6.1.2.6, 6.1.6.1
IBM Spectrum Scale: from 5.1.0.0 through 5.1.2.9; from 5.1.3.0 through 5.1.6.1

How to fix

Upgrade to a fixed version: IBM Elastic Storage System 6.1.2.6, 6.1.6.1. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-30434 or the next vulnerability affects your stack