CVE-2026-43134

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

Description The Bluetooth L2CAP component fails to perform a key size check when receiving L2CAP LE CONN REQ. This missing validation is contrary to the L2CAP/LE/CFC/BV-15-C requirement, which expects the system to return L2CAP CR LE BAD KEY SIZE when the encryption key size is invalid.

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