Andreas Kling fe9680f0a4 Kernel: Validate PROT_READ and PROT_WRITE against underlying file ... This patch fixes some issues with the mmap() and mprotect() syscalls, neither of whom were checking the permission bits of the underlying files when mapping an inode MAP_SHARED. This made it possible to subvert execution of any running program by simply memory-mapping its executable and replacing some of the code. Test: Kernel/mmap-write-into-running-programs-executable-file.cpp		2020-01-07 19:32:32 +01:00
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mmap-write-into-running-programs-executable-file.cpp	Kernel: Validate PROT_READ and PROT_WRITE against underlying file	2020-01-07 19:32:32 +01:00
uaf-close-while-blocked-in-read.cpp	Kernel: Make Process::file_description() vend a RefPtr<FileDescription>	2020-01-07 15:53:42 +01:00