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CVE-2024-50148

Description

In the Linux kernel, the following vulnerability has been resolved:Bluetooth: bnep: fix wild-memory-access in proto_unregisterThere's issue as follows: KASAN: maybe wild-memory-access in range [0xdead...108-0xdead...10f] CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP: 0010:proto_unregister+0xee/0x400 Call Trace: __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7fAs bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init()will cleanup all resource. Then when remove bnep module will callbnep_sock_cleanup() to cleanup sock's resource.To solve above issue just return bnep_sock_init()'s return value inbnep_exit().

POC

Reference

No PoCs from references.

Github

- https://github.com/w4zu/Debian_security