CVE-2025-68342

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel’s CAN subsystem, specifically within the gs usb receive bulk callback() function. This issue relates to insufficient validation of the length of data received via a USB URB (USB Request Block). The vulnerability occurs because the code accesses data within a gs host frame structure without first verifying that the actual length of the received data meets the minimum required length. This can lead to out-of-bounds reads and potential system instability. The fix introduces a function, gs usb get minimum rx length(), to determine the minimum expected data length and ensures that data access only occurs after this check.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.