On October 12, 2023, Canonical will be releasing Ubuntu 23.10. This new version of Ubuntu Linux is already looking good. One new security feature, however, hasn't gotten much attention: Restricted ...
In recent times, two critical Linux security frameworks, AppArmor and SELinux, have seen noteworthy acceleration in real-world deployment. As Linux continues to anchor enterprise, container, cloud, ...
Three years ago, I devoted a couple columns (in the April and August 2006 issues of LJ) to Novell AppArmor, a partial implementation of Mandatory Access Controls (MACs) that Novell had integrated into ...
Three security bypasses have been discovered in Ubuntu Linux’s unprivileged user namespace restrictions, which could be enable a local attacker to exploit vulnerabilities in kernel components. The ...
Linux admins who have enabled the unprivileged user namespace restriction in their recent Ubuntu environments should take action to close three new vulnerabilities that allow a threat actor to bypass ...
Since last week, new snapshots of the rolling release Linux distribution openSUSE Tumbleweed have been using SELinux access protection by default. By default, the Mandatory Access Control (MAC) is set ...
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