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  "path": "/module/newswire/ext_link.php?rid=364531",
  "publishedAt": "2026-05-01T08:47:40.000Z",
  "site": "https://lxer.com",
  "textContent": "CVE-2026-31431, colloquially known as \"Copy Fail,\" is a critical logic flaw in the Linux kernel's Cryptographic API (specifically the `algif_aead` module). It allows an unprivileged local user to perform a deterministic, controlled 4-byte write into the read-only page cache of any accessible file on the system. By corrupting the in-memory representation of SUID binaries, an attacker achieves local privilege escalation to the root user and can successfully escape containerized environments.",
  "title": "CVE-2026-31431: Local Privilege Escalation via Page Cache Corruption in Linux Kernel AF_ALG"
}