CVE-2025-40282 - Bluetooth: 6lowpan: reset link-local header on ipv6 recv path

CVE-2025-40282 - Bluetooth: 6lowpan: reset link-local header on ipv6 recv path

https://cvefeed.io/rssfeed/latest.atom / Sun, 12/07/2025 - 01:51
CVE ID : CVE-2025-40282
Published : Dec. 6, 2025, 10:15 p.m. | 1 hour, 59 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has header_ops, so it must set link-local header for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW Add missing skb_reset_mac_header() for uncompressed ipv6 RX path. For the compressed one, it is done in lowpan_header_decompress(). Log: (BlueZ 6lowpan-tester Client Recv Raw - Success) ------ kernel BUG at net/core/skbuff.c:212! Call Trace: ... packet_rcv (net/packet/af_packet.c:2152) ... __local_bh_enable_ip (kernel/softirq.c:407) netif_rx (net/core/dev.c:5648) chan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359) ------
Severity: 0.0 | NA
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