A security vulnerability in the Spectrum Scale 5.0 and 5.1 allows a non-root user to overflow the mmfsd daemon with requests and preventing the daemon to service other requests. IBM X-Force ID: 191599.
An official patch is available. Apply the patch as soon as possible.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityAttacked
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | patch: Unavailable→Official Patch | 5.9 → 5.9 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 5.9 |
Affected Software
| Vendor | Product | Version |
|---|
| IBM | Spectrum Scale | 5.0 |
| IBM | Spectrum Scale | 5.1 |
| ibm | spectrum_scale | 5.0.0 |
| ibm | spectrum_scale | 5.1.0 |
Published: 2022-03-01
