CVE-2023-42753

Summary

CVE-2023-42753 is a vulnerability affecting the netfilter subsystem in the Linux kernel. This issue arises due to a missing macro, which can lead to a miscalculation of the `h->nets` array offset. This miscalculation provides an attack vector for local users to arbitrarily increment or decrement memory buffers out-of-bounds. Consequences of this vulnerability can range from system crashes to potential privilege escalation on the affected system.

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