CVE-2022-30771

High

Description

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

SeverityHigh
CVSS8.2
Exploit probability—
ProductInsyde Kernel
PublishedNov 15, 2022
First seenNov 15, 2022

How to fix

Update
  • insyde kernel5.1.05.17.25, 5.2.05.27.25, 5.3.05.36.25, 5.4.05.44.25, 5.5.05.52.25 or later

Affected products

ProductAffected versionsFixed in
insyde kernel5.1 ≤ v < 5.1.05.17.25, 5.2 ≤ v < 5.2.05.27.25, 5.3 ≤ v < 5.3.05.36.25, 5.4 ≤ v < 5.4.05.44.25, 5.5 ≤ v < 5.5.05.52.255.1.05.17.25, 5.2.05.27.25, 5.3.05.36.25, 5.4.05.44.25, 5.5.05.52.25

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CVE-2022-30771 · Insyde Kernel · Dark Radar