8.2
HIGH
CVE-2022-30771
Insyde PnpSmm SMRAM Corruption Vulnerability
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

INFO

Published Date :

Nov. 15, 2022, 9:15 p.m.

Last Modified :

Nov. 23, 2022, 5:21 p.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

1.5
Affected Products

The following products are affected by CVE-2022-30771 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Insyde kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-30771.

URL Resource
https://www.insyde.com/security-pledge Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022064 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-30771 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-30771 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 23, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://www.insyde.com/security-pledge No Types Assigned https://www.insyde.com/security-pledge Vendor Advisory
    Changed Reference Type https://www.insyde.com/security-pledge/SA-2022064 No Types Assigned https://www.insyde.com/security-pledge/SA-2022064 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.1 up to (excluding) 5.1.05.17.25 *cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.2 up to (excluding) 5.2.05.27.25 *cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.3.05.36.25 *cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.05.44.25 *cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.5.05.52.25
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-30771 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-30771 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.12432

percentile

CVSS31 - Vulnerability Scoring System
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