The mseal() syscall was merged for #Linux 6.10: git.kernel.org/torvalds/c/0b32

It's a way to prevent changes to portions of the virtual address space – and quite similar to #OpenBSD's mimmutable() syscall.

For details see the docs (git.kernel.org/pub/scm/linux/k) or two @LWN articles (lwn.net/Articles/948129/ and lwn.net/Articles/958438/)

#LinuxKernel #kernel