Detections
Analytics
CVE-2021-41839
high
Description
An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
References
https://www.insyde.com/security-pledge/SA-2022020
https://www.insyde.com/security-pledge
https://security.netapp.com/advisory/ntap-20220217-0016/
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf