CVE-2025-71300
Description
A flaw was found in the Linux kernel, specifically within the OP-TEE (Open Portable Trusted Execution Environment) integration with U-Boot. The U-Boot's OP-TEE logic automatically injects a reserved-memory node into the kernel device tree. However, a manually defined OP-TEE node in zynqmp.dtsi interferes with this process, leading to memory access violations during runtime. This issue can result in system instability or denial of service.
Understanding the Weakness (CWE)
Confidentiality
Technical Impact: Read Memory; Read Application Data
When reusing a resource such as memory or a program variable, the original contents of that resource may not be cleared before it is sent to an untrusted party.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
The uninitialized resource may contain values that cause program flow to change in ways that the programmer did not intend.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
