CVE-2026-72121

A flaw was found in the Linux kernel's Controller Area Network CAN Broadcom bcm driver. A race condition exists when the driver attempts to update filter and timer values simultaneously with ongoing receive operations. This can lead to the transmission of stale CAN reply frames with an incorrect...

CVE-2026-72121

CVE-2026-72121 describes a Linux kernel CAN subsystem vulnerability in which KCSAN detected a race condition updating timer and filter state during CAN message handling. The fix introduces a per-operation bcm_rx_update_lock to serialize updates to timer values (ival1/ival2/kt_ival1/kt_ival2/kt_la...

CVE-2026-23362

A flaw was found in the Linux kernel's Controller Area Network CAN Broadcast Manager BCM module. When the RXRTRFRAME flag is set and a specific Remote Transmission Request RTR frame is received, the bcmtxlock was not properly initialized in the bcmrxsetup function. This missing initialization of...