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sec-policy/selinux-base-policy: add capability to unlabeled_t #1426
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pothos
approved these changes
Nov 18, 2021
pothos
reviewed
Nov 18, 2021
| @@ -39,6 +39,7 @@ PATCHES=( | |||
| "${FILESDIR}/init.patch" | |||
| "${FILESDIR}/locallogin.patch" | |||
| "${FILESDIR}/logging.patch" | |||
| "${FILESDIR}/unlabeled.patch" | |||
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Maybe we can annotate here that this was for torcx and it could be dropped in the future
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Good idea and let's add a reference in: flatcar/Flatcar#443
with this patch, we allow `unlabeled_t` to associate to tmpfs
filesystem.
It aims to solve the AVC we have with `torcx` with the
`torcx-generator`:
```
Nov 15 09:45:43 localhost audit[688]: AVC avc: denied { associate } for pid=688 comm="torcx-generator" name="docker" dev="tmpfs" ino=2 scontext=system_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=filesystem permissive=0
```
It has been not been caught earlier because it occurs
when the system boots with `SELinux` in `enforcing` mode.
This denial was preventing torcx to finish correctly its setup and so
Docker was not able to start.
Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
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with this patch, we allow
unlabeled_tto associate to tmpfsfilesystem.
It aims to solve the AVC we have with
torcxwith thetorcx-generator:It has been not been caught earlier because it occurs
when the system boots with
SELinuxinenforcingmode.This denial was preventing torcx to finish correctly its setup and so
Docker was not able to start.
Signed-off-by: Mathieu Tortuyaux mtortuyaux@microsoft.com
It has been reported in flatcar/Flatcar#544
CI 🔵 : http://jenkins.infra.kinvolk.io:8080/job/os/job/manifest/4177/cldsv/
Tested on built image with SELinux enabled early in the boot:
While on current stable with the same config:
NOTE: Mantle logic is now implemented in order to enable
SELinuxinenforcingas soon as possible: flatcar/mantle#252