With SELinux technology it’s possible confine not only system process (as it’s by default used in Fedora, CentOS and Red Hat Enterprise Linux) but also
Hi All, Two weeks ago, very interesting bug was created against selinux-policy component and assigned to me. Immediately, after first research, there was something really
Hi All! Two months ago, very interesting and dangerous CVE was published. It’s CVE-2019-5736 what is vulnerability in runc and allows malicious process in container
Hi All, Sysadmins and SELinux policy developers are often asking me one simple question. “Lukas, How should I know what allow rules will be allowed
Hi All, Last month, I wrote about Xorg X server vulnerability and we have a new interesting vulnerability, now in PolicyKit. The exploit is based
Hi All, I will generate SELinux denial using following command: # cd /root ; passwd –help >& output.txt # ausearch -m AVC -ts recent type=AVC
Full auditing in audit deamon could be useful e.g. to identify which object on system has too tight rules and object is causing dac_override SELinux
Hello everyone! You could have seen SELinux denials (AVC messages) in your system in the recent release of Fedora 28 and of course Fedora Rawhide.
SELinux policy for Fedora Rawhide and Fedora 27 is changing very dynamically and new rules are appearing in SELinux policy repositories almost every day. New
Hi SELinux folks, Building selinux-policy rpm package was quite complicated and confusing for developers because of massive patches against Tresys reference base and contrib repositories.