7.6
HIGH
CVE-2022-21819
NVIDIA Jetson Linux IOMMU PCI Bus Privilege Escalation Vulnerability
Description

NVIDIA distributions of Jetson Linux contain a vulnerability where an error in the IOMMU configuration may allow an unprivileged attacker with physical access to the board direct read/write access to the entire system address space through the PCI bus. Such an attack could result in denial of service, code execution, escalation of privileges, and impact to data integrity and confidentiality. The scope impact may extend to other components.

INFO

Published Date :

March 11, 2022, 2:15 p.m.

Last Modified :

May 8, 2024, 2:15 p.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

0.9
Public PoC/Exploit Available at Github

CVE-2022-21819 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-21819 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 Nvidia jetson_linux
2 Nvidia jetson_nano
3 Nvidia jetson_nano_2gb
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-2022-21819.

URL Resource
https://nvidia.custhelp.com/app/answers/detail/a_id/5321 Vendor Advisory
https://www.thegoodpenguin.co.uk/blog/pcie-dma-attack-against-a-secured-jetson-nano-cve-2022-21819/

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).

Materials for my DMA attacks talk and a collection of related links

Updated: 3 months, 3 weeks ago
38 stars 5 fork 5 watcher
Born at : July 31, 2023, 12:23 a.m. This repo has been linked 1 different CVEs too.

Collect some iot-related security articles, including vulnerability analysis, security conferences and papers, etc.

iot-security

Updated: 2 months, 2 weeks ago
211 stars 27 fork 27 watcher
Born at : Dec. 6, 2022, 1:11 p.m. This repo has been linked 46 different CVEs too.

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 2 years ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2608 different CVEs too.

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

The following list is the news that have been mention CVE-2022-21819 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-21819 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
  • CVE Modified by [email protected]

    May. 08, 2024

    Action Type Old Value New Value
    Added Reference NVIDIA Corporation https://www.thegoodpenguin.co.uk/blog/pcie-dma-attack-against-a-secured-jetson-nano-cve-2022-21819/ [No types assigned]
  • Initial Analysis by [email protected]

    Mar. 22, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://nvidia.custhelp.com/app/answers/detail/a_id/5321 No Types Assigned https://nvidia.custhelp.com/app/answers/detail/a_id/5321 Vendor Advisory
    Added CWE NIST CWE-732
    Added CPE Configuration AND OR *cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:* versions from (including) 32.1 up to (excluding) 32.7.1 OR cpe:2.3:h:nvidia:jetson_nano:-:*:*:*:*:*:*:* cpe:2.3:h:nvidia:jetson_nano_2gb:-:*:*:*:*:*:*:*
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.
Exploit Prediction

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

0.08 }} 0.00%

score

0.34866

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability