CVE-2019-5680 — In NVIDIA Jetson TX1 L4T R32 version branch prior to R32

In NVIDIA Jetson TX1 L4T R32 version branch prior to R32.2, Tegra bootloader contains a vulnerability in nvtboot in which the nvtboot-cpu image is loaded without the load address first being validated, which may lead to code execution, denial of service, or escalation of privileg

01What is this vulnerability?

In NVIDIA Jetson TX1 L4T R32 version branch prior to R32.2, Tegra bootloader contains a vulnerability in nvtboot in which the nvtboot-cpu image is loaded without the load address first being validated, which may lead to code execution, denial of service, or escalation of privileges.

02Affected products

Vendor	Product	Versions
NVIDIA	NVIDIA Jetson TX1	R32 versions prior to 32.2

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-07-19T19:57:04.000Z
• Last modified: 2024-08-04T20:01:52.198Z

09References

• nvidia.custhelp.com — https://nvidia.custhelp.com/app/answers/detail/a_id/4835
• www.securityfocus.com — http://www.securityfocus.com/bid/109341
• nvidia.custhelp.com — https://nvidia.custhelp.com/app/answers/detail/a_id/4804