What’s Vulnerable › Vulnerabilities

CVE-2022-21819

• Severity: high (CVSS 7.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-11 · updated 2026-06-17
• Weakness: CWE-732

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.

Affected products

• NVIDIA Jetson TX1: from 32.1 before 32.7.1 — fixed in 32.7.1

How to fix

Upgrade to a fixed version: NVIDIA Jetson TX1 32.7.1. Check the vendor advisory for mitigations.

References

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

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