Management of kernel extensions has changed significantly in Big Sur and later. This overview for users contrasts kexts with user-level extensions which are replacing them.
It would be much easier if the log contained entries detailing the loading of extensions. Instead, there are long gaps. This explores how you can use those in diagnosing problems.
In one of only 3 kernel extension on your Data volume is a list of blocked kernel extensions. What protection from old and broken KEXTs does it provide?
Details of data files for MRT, XProtect, Gatekeeper and other security features in Big Sur. Covers both Intel and M1 Macs.
When a kernel extension wants some memory, it calls for an allocation from a Mach zone. This explains how a memory leak in those zones can result in a kernel panic.
There have been recent reports that the macOS Catalina 10.15.6 update can result in kernel panics. This appears […]
From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.
Many vital apps rely on installing kernel extensions, which may be tricky or seem impossible in Catalina. Here are some strategies to solve problems.
Why third-party kernel extensions may have problems working in Catalina, and whether those KEXTs will become SEXTs.
Important updates if you’re running Catalina, as they add the KEXT blocker back into their checks.