Subj : [$] Memory sealing for the GNU C Library
To   : All
From : LWN.net
Date : Wed Jun 12 2024 15:00:06

[$] Memory sealing for the GNU C Library

Date:
Wed, 12 Jun 2024 13:49:45 +0000

Description:
The mseal() system call allows a
process to prevent any future changes to portions of its address space
(thus "sealing" them); it was patterned after the mimmutable() system call in 
OpenBSD. mseal() generated a lot of discussion, but it was finally merged
for the upcoming 6.10 kernel release.  While mseal() was initially
aimed at securing the Chrome browser, the hope was that it would be useful
elsewhere; as a step toward realizing that hope, Adhemerval Zanella has
posted a
patch series adding support for  and use of  mseal() to the
GNU C library (glibc).

======================================================================
Link to news story:
https://lwn.net/Articles/978010/


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