CVE-2022-30771: High severity insyde kernel vulnerability
Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in: Kernel 5.1: Version 05.17.25 Kernel 5.2: Version 05.27.25 Kernel 5.3: Version 05.36.25 Kernel 5.4: Version 05.44.25 Kernel 5.5: Version 05.52.25 https://www.insyde.com/security-pledge/SA-2022064
Affected Software
Event History
Frequently Asked Questions
What is CVE-2022-30771?
CVE-2022-30771 is a vulnerability in the Initialization function in PnpSmm that could lead to SMRAM corruption when using subsequent PNP SMI functions.
What is the severity of CVE-2022-30771?
CVE-2022-30771 has a severity rating of 8.2 (high).
How does CVE-2022-30771 affect Insyde Kernel?
CVE-2022-30771 affects Insyde Kernel versions 5.1.05.17.25 to 5.5.05.52.25.
How can I fix CVE-2022-30771?
To fix CVE-2022-30771, update Insyde Kernel to a version beyond the affected range.
Where can I find more information about CVE-2022-30771?
More information about CVE-2022-30771 can be found on the Insyde security pledge page and SA-2022064 advisory.