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File Name:10-default-yama-scope.conf

# When yama is enabled in the kernel it might be used to filter any user
# space access which requires PTRACE_MODE_ATTACH like ptrace attach, access
# to /proc/PID/{mem,personality,stack,syscall}, and the syscalls
# process_vm_readv and process_vm_writev which are used for interprocess
# services, communication and introspection (like synchronisation, signaling,
# debugging, tracing and profiling) of processes.
#
# Usage of ptrace attach is restricted by normal user permissions. Normal
# unprivileged processes cannot interact through ptrace with processes
# that they cannot send signals to or processes that are running set-uid
# or set-gid.
#
# yama ptrace scope can be used to reduce these permissions even more.
# This should normally not be done because it will break various programs
# relying on the default ptrace security restrictions. But can be used
# if you don't have any other way to separate processes in their own
# domains. A different way to restrict ptrace is to set the selinux
# deny_ptrace boolean. Both mechanisms will break some programs relying
# on the ptrace system call and might force users to elevate their
# privileges to root to do their work.
#
# For more information see Documentation/security/Yama.txt in the kernel
# sources. Which also describes the defaults when CONFIG_SECURITY_YAMA
# is enabled in a kernel build (currently 1 for ptrace_scope).
#
# This runtime kernel parameter can be set to the following options:
# (Note that setting this to anything except zero will break programs!)
#
# 0 - Default attach security permissions.
# 1 - Restricted attach. Only child processes plus normal permissions.
# 2 - Admin-only attach. Only executables with CAP_SYS_PTRACE.
# 3 - No attach. No process may call ptrace at all. Irrevocable.
#
kernel.yama.ptrace_scope = 0

Name	Type	Size	Owner/Group	Permissions	Last Modified
.	dir	-	0/root	drwxr-xr-x	2024-12-05 22:43:38
..	dir	-	0/root	dr-xr-xr-x	2024-12-05 22:43:21
10-default-yama-scope.conf	text/plain	1.77 KB	0/root	-rw-r--r--	2024-10-09 11:55:05
50-coredump.conf	text/plain	1.77 KB	0/root	-rw-r--r--	2024-11-12 13:45:45
50-default.conf	text/plain	1.87 KB	0/root	-rw-r--r--	2022-10-31 18:59:18
50-libkcapi-optmem_max.conf	text/plain	246 B	0/root	-rw-r--r--	2024-04-01 19:11:27
50-pid-max.conf	text/plain	635 B	0/root	-rw-r--r--	2022-10-31 18:59:18
50-redhat.conf	text/plain	203 B	0/root	-rw-r--r--	2024-10-28 11:38:35
README	text/plain	387 B	0/root	-rw-r--r--	2022-10-31 18:59:18