CVE & CISA-KEV Catalog

CVE-2022-34835

CRITICALEPSS 78th pctl

9.8

CVSS v3

Description

In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

u-bootDebian

Fixed in:2021.01+dfsg-5+deb11u1CVE-2022-34835

Fixed in:2022.07+dfsg-1CVE-2022-34835

Fixed in:2022.07+dfsg-1CVE-2022-34835

Fixed in:2022.07+dfsg-1CVE-2022-34835

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

2.01%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch3

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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 2026-05-12.