AWS Outage: Lessons Learned

What can we learn from the recent AWS outage, and how can we apply those lessons to our own infrastructure? What Happened? On October 20, 2025 , AWS experienced a major disruption that rippled across the internet and social media, affecting widely used services such as Zoom, Microsoft Teams, Slac...

kernel: perf_event_parse_addr_filter memory

A memory leak flaw was found in the Linux kernel’s performance monitoring subsystem when using PERFEVENTIOCSETFILTER. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Updated kernel packages that fix multiple security issues, several bugs, and add three enhancements are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores,...