Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Denx | U-Boot | < 2022.07 |
Related Weaknesses (CWE)
References
- https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409ExploitPatchThird Party Advisory
- https://lists.denx.de/pipermail/u-boot/2022-June/486113.htmlExploitPatchVendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafaPatchVendor Advisory
- https://github.com/u-boot/u-boot/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafa6e5409ExploitPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- https://lists.denx.de/pipermail/u-boot/2022-June/486113.htmlExploitPatchVendor Advisory
- https://source.denx.de/u-boot/u-boot/-/commit/8f8c04bf1ebbd2f72f1643e7ad9617dafaPatchVendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
FAQ
What is CVE-2022-34835?
CVE-2022-34835 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 f...
How severe is CVE-2022-34835?
CVE-2022-34835 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-34835?
Check the references section above for vendor advisories and patch information. Affected products include: Denx U-Boot.