IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesHigh
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | cve.org | initial, patch: Unavailable | 2.1 |
Affected Software
| Vendor | Product | Version |
|---|
| IBM | 8335-GCA | OP820 |
| ibm | 8335-gca_firmware | op820 |
| IBM | 8335-GTA | OP820 |
| ibm | 8335-gta_firmware | op820 |
| IBM | 8335-GTB | OP820 |
| ibm | 8335-gtb_firmware | op820 |
Published: 2021-05-25
