CVE-2022-34835: Denx U-Boot

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

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.

Affected products

• Denx U-Boot: before 2022.07 (fixed in 2022.07); version 2022.07 only

Published 2022-06-30. Last modified 2026-06-17.