🧰 Linux kernel XFRM ESP-in-TCP subsystem

The items that name it 2

• Panic at the Distro
  writeup2026-05-14

  Affected by Fragnesia vulnerability, allowing arbitrary byte writes into kernel page cache

• Fragnesia: Linux Kernel Local Privilege Escalation via ESP-in-TCP | Wiz Blog
  advisory2026-05-13It is written here as Linux kernel XFRM ESP-in-TCP subsystem (espintcp ULP): Fragnesia, a variant in the DirtyFrag family of Linux local privilege escalation vulnerabilities.

  espintcp ULP