unconfin..._selinux(8)

💖 NAME 💖

unconfined_mount_selinux — Security Enhanced Linux Policy for the unconfined_mount processes.

okay so this is the unconfined_mount_selinux page, section 8, and it's all about unconfined_mount. Slay.

✨ DESCRIPTION ✨

Security-Enhanced Linux secures the unconfined_mount processes via flexible mandatory access control. Iconic, honestly.

The unconfined_mount processes execute with the unconfined_mount_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier.

For example:

ps -eZ | grep unconfined_mount_t

🎀 ENTRYPOINTS 🎀

The unconfined_mount_t SELinux type can be entered via the mount_exec_t file type.

The default entrypoint paths for the unconfined_mount_t domain are the following:

• /usr/bin/mount.*
• /usr/bin/umount.*

🦋 PROCESS TYPES 🦋

SELinux defines process types (domains) for each process running on the system.

You can see the context of a process using the -Z option to ps.

Policy governs the access confined processes have to files. SELinux unconfined_mount policy is very flexible allowing users to setup their unconfined_mount processes in as secure a method as possible.

The following process types are defined for unconfined_mount:

• unconfined_mount_t

Note: semanage permissive -a unconfined_mount_t can be used to make the process type unconfined_mount_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated.

🌸 BOOLEANS 🌸

SELinux policy is customizable based on least access required. unconfined_mount policy is extremely flexible and has several booleans that allow you to manipulate the policy and run unconfined_mount with the tightest access possible.

• deny_execmem — if you want to deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla. You must turn on the deny_execmem boolean. Disabled by default. Flip it with setsebool -P deny_execmem 1.
• mmap_low_allowed — if you want to control the ability to mmap a low area of the address space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on the mmap_low_allowed boolean. Disabled by default. Flip it with setsebool -P mmap_low_allowed 1.
• secure_mode_insmod — if you want to disable kernel module loading, you must turn on the secure_mode_insmod boolean. Disabled by default. Flip it with setsebool -P secure_mode_insmod 1.
• selinuxuser_execheap — if you want to allow unconfined executables to make their heap memory executable, you must turn on the selinuxuser_execheap boolean. Doing this is a really bad idea. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla. Disabled by default. Flip it with setsebool -P selinuxuser_execheap 1.
• selinuxuser_execstack — if you want to allow unconfined executables to make their stack executable, you must turn on the selinuxuser_execstack boolean. This should never, ever be necessary. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla. Disabled by default. Flip it with setsebool -P selinuxuser_execstack 1.

🍓 MANAGED FILES 🍓

The SELinux process type unconfined_mount_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.

• file_type — all files on the system

🧚 COMMANDS 🧚

• semanage fcontext can also be used to manipulate default file context mappings.
• semanage permissive can also be used to manipulate whether or not a process type is permissive.
• semanage module can also be used to enable/disable/install/remove policy modules.
• semanage boolean can also be used to manipulate the booleans.
• system-config-selinux is a GUI tool available to customize SELinux policy settings.

💜 AUTHOR 💜

This manual page was auto-generated using sepolicy manpage .

🌈 SEE ALSO 🌈

selinux(8), unconfined_mount(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8)

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okay that's the whole page, bestie! footer vibes: source/version unconfined_mount, date 26-10-06, and the truncated unconfin..._selinux(8) label — bye, stay secure 💅✨