CVE-2026-31498 Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix ERTM re-init and zero pdulen infinite loop l2capconfigreq processes CONFIGREQ for channels in BTCONNECTED state to support L2CAP reconfiguration e.g. MTU changes. However, since both CONFINPUTDONE and...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from insufficient validation of ERTM re-initialization and zero pdulen in L2CAP. This vulnerability ma...