net: rose: fix invalid array index in rose_kill_by_device()

In the Linux kernel, the following vulnerability has been resolved: net: rose: fix invalid array index in rose_kill_by_device() rose_kill_by_device() collects sockets into a local array[] and then iterates over them to disconnect sockets bound to a device being brought down. The loop mistakenly indexes array[cnt] instead of array[i]. For cnt < ARRAY_SIZE(array), this reads an uninitialized entry; for cnt == ARRAY_SIZE(array), it is an out-of-bounds read. Either case can lead to an invalid socket pointer dereference and also leaks references taken via sock_hold(). Fix the index to use i.

Source published

13 Jan 2026 15:34:49 UTC

Source modified

15 Oct 2026 01:10:38 UTC

Observed here

23 Oct 2026 15:48:27 UTC

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