When dumping core and saving process information, proc_getargv() might return an sbuf which have a sbuf_len() of 0 or -1, which is not properly handled.
An out-of-bound read can happen when user constructs a specially crafted ps_string, which in turn can cause the kernel to crash.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade FreeBSD | Nov 4, 2022 | Aug 10, 2022 |
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