CVE-2022-30767

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2022-05-16

Last modified

2025-11-03

Weaknesses

CWE-120

Affected products

• U-boot (Denx)
• Fedora (Fedoraproject)

References

• https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96
• https://lists.denx.de/pipermail/u-boot/2022-May/483952.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2E…
• https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/
• https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80
• https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html