CVE-2019-14201 — An issue was discovered in Das U-Boot through 2019

An issue was discovered in Das U-Boot through 2019.07. There is a stack-based buffer overflow in this nfs_handler reply helper function: nfs_lookup_reply.

01What is this vulnerability?

An issue was discovered in Das U-Boot through 2019.07. There is a stack-based buffer overflow in this nfs_handler reply helper function: nfs_lookup_reply.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2019-07-31T13:15:13.823
• Last modified: 2026-05-12T10:16:35.567

09References

• blog.semmle.com — https://blog.semmle.com/uboot-rce-nfs-vulnerability/
• gitlab.com — https://gitlab.com/u-boot/u-boot
• blog.semmle.com — https://blog.semmle.com/uboot-rce-nfs-vulnerability/
• gitlab.com — https://gitlab.com/u-boot/u-boot
• cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-577017.html