CVE & CISA-KEV Catalog

CVE-2022-30767

CRITICALEPSS 82th pctl

9.8

CVSS v3

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.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

u-bootDebian

Fixed in:2021.01+dfsg-5+deb11u1CVE-2022-30767

Fixed in:2022.07+dfsg-1CVE-2022-30767

Fixed in:2022.07+dfsg-1CVE-2022-30767

Fixed in:2022.07+dfsg-1CVE-2022-30767

u-bootUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-amlogicUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-exynosUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-imxUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-microchipUbuntu

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-mvebuUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-omapUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-qcomUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-qemuUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-rockchipUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-rpiUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-sifiveUbuntu

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-stm32Ubuntu

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-sunxiUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-tegraUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

u-boot-toolsUbuntu

Fixed in:2020.10+dfsg-1ubuntu0~18.04.3USN-5764-1

Fixed in:2021.01+dfsg-3ubuntu0~20.04.5USN-5764-1

Fixed in:2022.01+dfsg-2ubuntu2.3USN-5764-1

Fixed in:2022.07+dfsg-1ubuntu4.2USN-5764-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.45%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Patch2

Exploit1

securitylab.github.com

Third-Party Advisory1

lists.denx.de

Other references2

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.