An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to modify protected parts of the file system.
https://support.apple.com/en-us/126796
https://support.apple.com/en-us/126795
https://support.apple.com/en-us/126794
https://blog.calif.io/p/mad-bugs-an-apple-kernel-bug-brought