CVE-2022-30767

9.8 CRITICAL

Published: May 16, 2022 Modified: November 03, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96

Source: cve@mitre.org

Patch Third Party Advisory

https://lists.denx.de/pipermail/u-boot/2022-May/483952.html

Source: cve@mitre.org

Mailing List Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/

Source: cve@mitre.org

https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/

Source: cve@mitre.org

Exploit Third Party Advisory

https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80

Source: cve@mitre.org

Patch Vendor Advisory

https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96