CVE-2022-34835: Buffer Overflow
First published: Wed Jun 29 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| DENX U-Boot | <2022.07 | |
| 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 | |
| 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 | <=2019.01+dfsg-7<=2021.01+dfsg-5 | 2023.01+dfsg-2 2024.01+dfsg-1 2024.01+dfsg-5 |
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Reference Links
- https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409
- https://lists.denx.de/pipermail/u-boot/2022-June/486113.html
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409
- https://launchpad.net/bugs/cve/CVE-2022-34835
- https://security-tracker.debian.org/tracker/CVE-2022-34835
- https://ubuntu.com/security/notices/USN-5764-1
- https://www.cve.org/CVERecord?id=CVE-2022-34835
- https://nvd.nist.gov/vuln/detail/CVE-2022-34835
- https://ubuntu.com/security/CVE-2022-34835
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2022-34835.
What is the severity level of CVE-2022-34835?
CVE-2022-34835 has a severity level of 9.8 (Critical).
Which software versions are affected by CVE-2022-34835?
The affected software versions are DENX U-Boot 2022.07, 2022.07-rc1, 2022.07-rc2, 2022.07-rc3, 2022.07-rc4, and 2022.07-rc5.
What is the description of CVE-2022-34835?
CVE-2022-34835 is a vulnerability in Das U-Boot that allows for an integer signedness error and stack-based buffer overflow in the "i2c md" command, leading to the corruption of the return address pointer of the do_i2c_md function.
How can I fix CVE-2022-34835?
Upgrade to a patched version of DENX U-Boot that includes the fix for CVE-2022-34835.
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- version/denx u-boot/2022.07-rc1
- version/denx u-boot/2022.07-rc2
- version/denx u-boot/2022.07-rc3
- version/denx u-boot/2022.07-rc4
- version/denx u-boot/2022.07-rc5
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