IT

Tracker / CVE-2024-50148

CVE-2024-50148

Medium 5.5

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: fix wild-memory-access in proto_unregister There'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: <TASK> __do_sys_delete_module+0x318/0x580 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f As bnep_init() ignore bnep_sock_init()'s return value, and bnep_sock_init() will cleanup all resource. Then when remove bnep module will call bnep_sock_cleanup() to cleanup sock's resource. To solve above issue just return bnep_sock_init()'s return value in bnep_exit().

Affected products and versions

linux linux_kernel
linux linux_kernel · 2.6.12 → 4.19.323
linux linux_kernel · 4.20 → 5.4.285
linux linux_kernel · 5.11 → 5.15.170
linux linux_kernel · 5.16 → 6.1.115
linux linux_kernel · 5.5 → 5.10.229
linux linux_kernel · 6.2 → 6.6.59
linux linux_kernel · 6.7 → 6.11.6

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References