Water flowed on Mars longer than previously thought… by a billion years! 😮 The findings come from Mars Reconnaissance Orbiter data that indicates Martian surface water left behind salt minerals as recently as 2 billion years ago. https://t.co/7heAUxxmsTpic.twitter.com/Ho6HefSV88
A critical and trivial to exploit vulnerability has been revealed in a tool called polkit (pkexec) that you likely have installed if you run Linux. The current mitigation requires manual intervention. https://t.co/LS5MlVLLJJ sudo chmod 0755 /usr/bin/pkexec
