It appears that some readers have encountered an error code with kernel type=1400 and the stroke revision failed to read. This problem can occur for many reasons. We will review them below.
Approved: Fortect
Rejection is specifically an event that is generated whenever a master, application, file, etc. is denied access to the SELinux system. In this case, the failure is cached in the Access Vector Cache (AVC). Sometimes you will see a rejection message called AVC Denial.
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type=1400 audit(506975.539:15): avc: declared read-write for pid=5920 comm="print" name="prn0" dev="tmpfs" ino=1600 scontext=u:r: untrusted_app :s0:c512,c768 tcontext=u:object_r:device:s0 tclass=chr_file permissive=0
What is AVC in Linux?
SELinux decisions such as allowing or denying access are cached. This cache is almost certainly known as the Access Vector Cache (AVC). Denial messages are logged when SELinux denies access. These failures are also known as “AVC failures” and are logged in a different specific location depending on which daemons are running normally: daemon.
How to solve this problem. Is there anyone who can help with this.
How do I read SELinux?
What is Scontext and Tcontext?
132,000
asked April 30, 2018 at 5:37 am
This seems to be a problem with SELinux. Either make your SELinux permissive in all mode (for example via the kernel command line) or run the appropriate selinux rule. See this page for more information.
April 30, 2018 approx. 18:56.
What is AVC audit?
Yes, to rewrite SELinux rules, you have tried these methods —– untrusted_app device:chr_file read write; let untrusted_app prn0:chr_file read and write; These lines were fully included in the untrusted app.te file, but worked
What is AVC audit?
AVC audit events – These are generated by the AVC subsystem as the final result of denied access or when exclusive events request audit content (i.e. when an audit rule is followed in a policy).
Where can I find SELinux logs?
By default, SELinux log messages are automatically written to /var/log/audit/audit. log through the Linux auditd audit system, which is started by default. If the audit daemon is not running, messages are written to /var/log/messages.
