AI Summary

A vulnerability dating back about ten years affects devices running certain configurations of Alpine Linux and potentially other distributions. The flaw arises from how OpenSSH interacts with musl, the lightweight libc alternative used by Alpine, when OpenSSH is built without PAM support. Because PAM handles authentication checks, its absence lets attackers log into affected devices without a password. Alpine is described as a widely used, lightweight Linux distribution, and any platform employing the same OpenSSH‑musl‑no‑PAM setup could be vulnerable.

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