CVE-2022-30771

Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM…

High · published November 15, 2022

CVSS v3.1
8.2
EPSS
0%
Percentile
9.4
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00200 · 9.4th percentile
Published
2022-11-15T00:00Z
EPSS history
Timeline
  • 15 NOV 00:00Z
    Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM…
    cvelistv5