CVE-2022-33967: Buffer Overflow

Published Jul 20, 2022
·
Updated

squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process. Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.

Affected Software

32 affected componentsFixes available
ubuntu/u-boot<2020.10+dfsg-1ubuntu0~18.04.3
2020.10+dfsg-1ubuntu0~18.04.3
ubuntu/u-boot<2021.01+dfsg-3ubuntu0~20.04.5
2021.01+dfsg-3ubuntu0~20.04.5
ubuntu/u-boot<2022.01+dfsg-2ubuntu2.3
2022.01+dfsg-2ubuntu2.3
debian/u-boot<=2021.01+dfsg-5
2019.01+dfsg-72023.01+dfsg-22024.01+dfsg-12024.01+dfsg-5
DENX U-Boot=2020.10-rc2
DENX U-Boot=2020.10-rc3
DENX U-Boot=2020.10-rc4
DENX U-Boot=2020.10-rc5
DENX U-Boot=2021.01
DENX U-Boot=2021.01-rc1
DENX U-Boot=2021.01-rc2
DENX U-Boot=2021.01-rc3
DENX U-Boot=2021.01-rc4
DENX U-Boot=2021.01-rc5
DENX U-Boot=2021.04-rc1
DENX U-Boot=2021.04-rc2
DENX U-Boot=2022.01
DENX U-Boot=2022.01-rc1
DENX U-Boot=2022.01-rc2
DENX U-Boot=2022.01-rc3
DENX U-Boot=2022.01-rc4
DENX U-Boot=2022.04
DENX U-Boot=2022.04-rc1
DENX U-Boot=2022.04-rc2
DENX U-Boot=2022.04-rc3
DENX U-Boot=2022.04-rc4
DENX U-Boot=2022.04-rc5
DENX U-Boot=2022.07-rc1
DENX U-Boot=2022.07-rc2
DENX U-Boot=2022.07-rc3
DENX U-Boot=2022.07-rc4
DENX U-Boot=2022.07-rc5

Event History

Jul 20, 2022
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·06:15 AM
Data Sourced
via MITRE·06:15 AM
DescriptionWeakness
Data Sourced
via NVD·07:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 12, 2024
Data Sourced
via Launchpad·04:02 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this squashfs filesystem issue in U-Boot?

The vulnerability ID is CVE-2022-33967.

2

What is the severity level of CVE-2022-33967?

The severity level of CVE-2022-33967 is high.

3

What is the affected software for CVE-2022-33967?

The affected software is DENX U-Boot versions from v2020.10-rc2 to v2022.07-rc5.

4

What is the impact of CVE-2022-33967?

Loading a specially crafted squashfs image may lead to a denial-of-service (DoS) condition or arbitrary code execution.

5

Where can I find more information about CVE-2022-33967?

You can find more information about CVE-2022-33967 on the JVN vulnerability database and the U-Boot mailing list.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203