CVE-2022-30767: Denx U-Boot

Critical severity, CVSS 9.8. EPSS: 2.7% chance of exploitation in the next 30 days.

nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.

Affected products

• Denx U-Boot: up to and including 2022.04; version 2022.07 only
• Fedoraproject Fedora: version 36 only

Published 2022-05-16. Last modified 2026-06-17.