Description (CNA)
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://www.insyde.com/security-pledge
- https://binarly.io/advisories/BRLY-2022-017/index.html
- https://www.insyde.com/security-pledge/SA-2022029
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.