Out-of-Bound Read Vulnerability in proc_getargv() Function

CVE-2022-23089 · Severity

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.

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