CVE-2025-40282

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> Bluetooth: 6lowpan: reset link-local header on ipv6 recv path<br /> <br /> Bluetooth 6lowpan.c netdev has header_ops, so it must set link-local<br /> header for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW<br /> <br /> Add missing skb_reset_mac_header() for uncompressed ipv6 RX path.<br /> <br /> For the compressed one, it is done in lowpan_header_decompress().<br /> <br /> Log: (BlueZ 6lowpan-tester Client Recv Raw - Success)<br /> ------<br /> kernel BUG at net/core/skbuff.c:212!<br /> Call Trace:<br /> <br /> ...<br /> packet_rcv (net/packet/af_packet.c:2152)<br /> ...<br /> <br /> __local_bh_enable_ip (kernel/softirq.c:407)<br /> netif_rx (net/core/dev.c:5648)<br /> chan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359)<br /> ------