virt_qemu_ga_unconfined_selinux(8)

1virt_qemu_ga_unconfinSeEdL_isneulxinPuoxl(i8c)y virt_qemu_vgiar_tu_nqceomnuf_ignae_dunconfined_selinux(8)
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NAME

6       virt_qemu_ga_unconfined_selinux  -  Security  Enhanced Linux Policy for
7       the virt_qemu_ga_unconfined processes
8

DESCRIPTION

10       Security-Enhanced Linux secures the  virt_qemu_ga_unconfined  processes
11       via flexible mandatory access control.
12
13       The     virt_qemu_ga_unconfined     processes    execute    with    the
14       virt_qemu_ga_unconfined_t SELinux type. You can check if you have these
15       processes running by executing the ps command with the -Z qualifier.
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17       For example:
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19       ps -eZ | grep virt_qemu_ga_unconfined_t
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ENTRYPOINTS

24       The  virt_qemu_ga_unconfined_t  SELinux  type  can  be  entered via the
25       virt_qemu_ga_unconfined_exec_t file type.
26
27       The default entrypoint paths for the  virt_qemu_ga_unconfined_t  domain
28       are the following:
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30       /etc/qemu-ga/fsfreeze-hook.d(/.*)?,          /var/run/qemu-ga/fsfreeze-
31       hook.d(/.*)?, /usr/libexec/qemu-ga/fsfreeze-hook.d(/.*)?
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PROCESS TYPES

34       SELinux defines process types (domains) for each process running on the
35       system
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37       You can see the context of a process using the -Z option to ps
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39       Policy  governs  the  access confined processes have to files.  SELinux
40       virt_qemu_ga_unconfined policy is very flexible allowing users to setup
41       their virt_qemu_ga_unconfined processes in as secure a method as possi‐
42       ble.
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44       The following process types are defined for virt_qemu_ga_unconfined:
45
46       virt_qemu_ga_unconfined_t
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48       Note: semanage permissive -a virt_qemu_ga_unconfined_t can be  used  to
49       make  the  process  type  virt_qemu_ga_unconfined_t permissive. SELinux
50       does not deny access to permissive process types, but the AVC  (SELinux
51       denials) messages are still generated.
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BOOLEANS

55       SELinux   policy  is  customizable  based  on  least  access  required.
56       virt_qemu_ga_unconfined policy is extremely flexible  and  has  several
57       booleans   that   allow   you   to   manipulate   the  policy  and  run
58       virt_qemu_ga_unconfined with the tightest access possible.
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62       If you want to deny user domains applications to map a memory region as
63       both  executable  and  writable,  this  is dangerous and the executable
64       should be reported in bugzilla, you must turn on the deny_execmem bool‐
65       ean. Enabled by default.
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67       setsebool -P deny_execmem 1
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71       If  you  want  to deny any process from ptracing or debugging any other
72       processes, you  must  turn  on  the  deny_ptrace  boolean.  Enabled  by
73       default.
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75       setsebool -P deny_ptrace 1
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79       If  you  want  to  allow  any  process  to mmap any file on system with
80       attribute file_type, you must turn on the  domain_can_mmap_files  bool‐
81       ean. Enabled by default.
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83       setsebool -P domain_can_mmap_files 1
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87       If  you want to allow all domains write to kmsg_device, while kernel is
88       executed with systemd.log_target=kmsg parameter, you must turn  on  the
89       domain_can_write_kmsg boolean. Disabled by default.
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91       setsebool -P domain_can_write_kmsg 1
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95       If you want to allow all domains to use other domains file descriptors,
96       you must turn on the domain_fd_use boolean. Enabled by default.
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98       setsebool -P domain_fd_use 1
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101
102       If you want to allow all domains to have the kernel load  modules,  you
103       must  turn  on  the  domain_kernel_load_modules  boolean.  Disabled  by
104       default.
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106       setsebool -P domain_kernel_load_modules 1
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110       If you want to allow all domains to execute in fips_mode, you must turn
111       on the fips_mode boolean. Enabled by default.
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113       setsebool -P fips_mode 1
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117       If you want to enable reading of urandom for all domains, you must turn
118       on the global_ssp boolean. Disabled by default.
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120       setsebool -P global_ssp 1
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124       If you want to control the ability to mmap a low area  of  the  address
125       space,  as  configured  by /proc/sys/vm/mmap_min_addr, you must turn on
126       the mmap_low_allowed boolean. Disabled by default.
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128       setsebool -P mmap_low_allowed 1
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132       If you want to disable kernel module loading,  you  must  turn  on  the
133       secure_mode_insmod boolean. Enabled by default.
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135       setsebool -P secure_mode_insmod 1
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138
139       If  you want to boolean to determine whether the system permits loading
140       policy, setting enforcing mode, and changing boolean values.  Set  this
141       to  true  and  you  have to reboot to set it back, you must turn on the
142       secure_mode_policyload boolean. Enabled by default.
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144       setsebool -P secure_mode_policyload 1
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148       If you want to allow unconfined executables to make their  heap  memory
149       executable.   Doing  this  is  a  really bad idea. Probably indicates a
150       badly coded executable, but could indicate an attack.  This  executable
151       should   be   reported  in  bugzilla,  you  must  turn  on  the  selin‐
152       uxuser_execheap boolean. Disabled by default.
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154       setsebool -P selinuxuser_execheap 1
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157
158       If you want to  allow  all  unconfined  executables  to  use  libraries
159       requiring  text  relocation  that  are not labeled textrel_shlib_t, you
160       must turn on the selinuxuser_execmod boolean. Enabled by default.
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162       setsebool -P selinuxuser_execmod 1
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165
166       If you want to allow unconfined executables to make  their  stack  exe‐
167       cutable.   This  should  never, ever be necessary. Probably indicates a
168       badly coded executable, but could indicate an attack.  This  executable
169       should  be reported in bugzilla, you must turn on the selinuxuser_exec‐
170       stack boolean. Enabled by default.
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172       setsebool -P selinuxuser_execstack 1
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175
176       If you want to support X userspace object manager, you must turn on the
177       xserver_object_manager boolean. Enabled by default.
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179       setsebool -P xserver_object_manager 1
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MANAGED FILES

184       The  SELinux  process  type  virt_qemu_ga_unconfined_t can manage files
185       labeled with the following  file  types.   The  paths  listed  are  the
186       default  paths for these file types.  Note the processes UID still need
187       to have DAC permissions.
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189       file_type
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191            all files on the system
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FILE CONTEXTS

195       SELinux requires files to have an extended attribute to define the file
196       type.
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198       You can see the context of a file using the -Z option to ls
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200       Policy  governs  the  access  confined  processes  have to these files.
201       SELinux virt_qemu_ga_unconfined policy is very flexible allowing  users
202       to  setup their virt_qemu_ga_unconfined processes in as secure a method
203       as possible.
204
205       The following file types are defined for virt_qemu_ga_unconfined:
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208
209       virt_qemu_ga_unconfined_exec_t
210
211       - Set files with the virt_qemu_ga_unconfined_exec_t type, if  you  want
212       to transition an executable to the virt_qemu_ga_unconfined_t domain.
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214
215       Paths:
216            /etc/qemu-ga/fsfreeze-hook.d(/.*)?,     /var/run/qemu-ga/fsfreeze-
217            hook.d(/.*)?, /usr/libexec/qemu-ga/fsfreeze-hook.d(/.*)?
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219
220       Note: File context can be temporarily modified with the chcon  command.
221       If  you want to permanently change the file context you need to use the
222       semanage fcontext command.  This will modify the SELinux labeling data‐
223       base.  You will need to use restorecon to apply the labels.
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COMMANDS

227       semanage  fcontext  can also be used to manipulate default file context
228       mappings.
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230       semanage permissive can also be used to manipulate  whether  or  not  a
231       process type is permissive.
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233       semanage  module can also be used to enable/disable/install/remove pol‐
234       icy modules.
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236       semanage boolean can also be used to manipulate the booleans
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239       system-config-selinux is a GUI tool available to customize SELinux pol‐
240       icy settings.
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AUTHOR

244       This manual page was auto-generated using sepolicy manpage .
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