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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2022-09-23T17:17:49
Updated: 2024-08-03T10:00:04.278Z
Reserved: 2022-07-21T00:00:00
Link: CVE-2022-36338
Vulnrichment
No data.
NVD
Status : Modified
Published: 2022-09-23T18:15:10.803
Modified: 2024-11-21T07:12:49.140
Link: CVE-2022-36338
Redhat
No data.