procfs vulnerability

CVE-2026-31630 is a small-looking Linux kernel fix with a larger lesson: buffer sizing still matters, even in diagnostic paths that most users never touch. The flaw sits in the AF_RXRPC procfs code, where socket addresses were formatted into fixed 50-byte stack buffers even though a current...

A newly disclosed Linux-kernel vulnerability, tracked as CVE‑2025‑21999, patches a use‑after‑free (UAF) race in the proc filesystem: a race between module removal (rmmod) and inode creation in proc_get_inode() could let the kernel dereference a freed module pointer and crash or corrupt kernel...