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CVE-2022-30767 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector: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

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URL	Source(s)	Tag(s)
https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96	CVE	PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html	CVE
https://lists.denx.de/pipermail/u-boot/2022-May/483952.html	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/	CVE
https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/	CVE	ExploitThird Party Advisory
https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80	CVE	PatchVendor Advisory
https://github.com/u-boot/u-boot/commit/5d14ee4e53a81055d34ba280cb8fd90330f22a96	[email protected]	PatchThird Party Advisory
https://lists.denx.de/pipermail/u-boot/2022-May/483952.html	[email protected]	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/	[email protected]
https://securitylab.github.com/research/uboot-rce-nfs-vulnerability/	[email protected]	ExploitThird Party Advisory
https://source.denx.de/u-boot/u-boot/-/commit/bdbf7a05e26f3c5fd437c99e2755ffde186ddc80	[email protected]	PatchVendor Advisory

see all 11 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
denx u-boot	<= 2022.04 2022.07 rc1 2022.07 rc2
CPE cpe:2.3:a:denx:u-boot:::::::: cpe:2.3:a:denx:u-boot:2022.07:rc1:::::: cpe:2.3:a:denx:u-boot:2022.07:rc2:::::: Remediation No remediation found in references.
fedoraproject fedora	36
CPE cpe:2.3:o:fedoraproject:fedora:36:::::::* Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 3, 2025	CVE Modified	CVE
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Oct 27, 2022	Modified Analysis	[email protected]
Sep 21, 2022	CVE Modified	[email protected]
Jun 28, 2022	CVE Modified	[email protected]
May 25, 2022	Initial Analysis	[email protected]