CVE-2022-30771

HIGH

PnpSmm <5.1.05.17.25 - Memory Corruption

Title source: llm
STIX 2.1

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

References (2)

Core 2

Scores

CVSS v3 8.2
EPSS 0.0019
EPSS Percentile 9.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
insyde/kernel 5.1 - 5.1.05.17.25
Published Nov 15, 2022
Tracked Since Feb 18, 2026