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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nvidia | Jetson Linux | >= 32.1, < 32.7.1 |
| Nvidia | Jetson Nano | - |
| Nvidia | Jetson Nano 2Gb | - |
Related Weaknesses (CWE)
References
- https://nvidia.custhelp.com/app/answers/detail/a_id/5321Vendor Advisory
- https://www.thegoodpenguin.co.uk/blog/pcie-dma-attack-against-a-secured-jetson-n
- https://nvidia.custhelp.com/app/answers/detail/a_id/5321Vendor Advisory
- https://www.thegoodpenguin.co.uk/blog/pcie-dma-attack-against-a-secured-jetson-n
FAQ
What is CVE-2022-21819?
CVE-2022-21819 is a vulnerability with a CVSS score of 7.6 (HIGH). 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 ...
How severe is CVE-2022-21819?
CVE-2022-21819 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-21819?
Check the references section above for vendor advisories and patch information. Affected products include: Nvidia Jetson Linux, Nvidia Jetson Nano, Nvidia Jetson Nano 2Gb.