7.0
HIGH
CVE-2022-33985
Intel NvmExpressDxe DMA TOCTOU Arbitrary SMRAM Corruption
Description

DMA transactions which are targeted at input buffers used for the NvmExpressDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the NvmExpressDxe driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. This issue was fixed in kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022055

INFO

Published Date :

Nov. 15, 2022, 12:15 a.m.

Last Modified :

Nov. 17, 2022, 10:18 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.0
Affected Products

The following products are affected by CVE-2022-33985 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-2022-33985.

URL Resource
https://www.insyde.com/security-pledge Vendor Advisory
https://www.insyde.com/security-pledge/SA-2022055 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-2022-33985 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-33985 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. 17, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/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-2022055 No Types Assigned https://www.insyde.com/security-pledge/SA-2022055 Vendor Advisory
    Added CWE NIST CWE-367
    Added CPE Configuration OR *cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.2 up to (excluding) 5.2.05.27.25 *cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.3.05.36.25 *cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.05.44.25 *cpe:2.3:a: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-2022-33985 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-2022-33985 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

0.12402

percentile

CVSS31 - Vulnerability Scoring System
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