Detections
Analytics
CVE-2021-33626
high
Description
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
References
https://www.insyde.com/security-pledge/SA-2021001
https://www.insyde.com/security-pledge
https://security.netapp.com/advisory/ntap-20220216-0006/
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf