CVE-2026-46332
Description
A flaw was found in the Linux kernel's Greybus subsystem, specifically in the gb-beagleplay driver. The cc1352_bootloader_rx() function, responsible for receiving bootloader data, does not properly check the size of incoming data chunks before copying them into a fixed-size receive buffer. This unbounded buffering can lead to an rx_buffer overflow, potentially resulting in memory corruption and a denial of service.
Understanding the Weakness (CWE)
Integrity,Confidentiality,Availability
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Buffer overflows often can be used to execute arbitrary code, which is usually outside the scope of the product's implicit security policy. This can often be used to subvert any other security service.
Availability
Technical Impact: Modify Memory; DoS: Crash, Exit, or Restart; DoS: Resource Consumption (CPU)
Buffer overflows generally lead to crashes. Other attacks leading to lack of availability are possible, including putting the product into an infinite loop.
Frequently Asked Questions
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