CVE-2026-98602
2026-10-18
16h17 +00:00
16h17 +00:00
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Mô tả CVE
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: bnep: fix out-of-bounds reads on short RX/TX frames and control fallthrough
Fix multiple out-of-bounds reads in Bluetooth BNEP frame processing:
1. In bnep_rx_frame() and bnep_ctrl_frame() (net/bluetooth/bnep/core.c),
use pskb_may_pull() to verify the BNEP header, control type byte,
filter count, and extension headers exist before reading them, and
return 0 after handling BNEP_CONTROL instead of falling through to
Ethernet frame submission when no extension headers follow.
2. In bnep_net_xmit() (net/bluetooth/bnep/netdev.c), verify skb->len >=
ETH_HLEN with pskb_may_pull() before reading the 14-byte Ethernet
header to prevent an out-of-bounds heap read and infoleak on short
AF_PACKET TX frames.
