{"cve":"CVE-2022-21819","nvd":{"published":"2022-03-11T14:15:07.700","modified":"2026-06-17T04:27:02.680","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":7.6},"cwes":["CWE-732"],"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/"],"products":["nvidia:jetson_linux"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2022-21819","score":0.00406,"percentile":0.34904,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}