Vulnerabilities
A new analysis of 20 years of Linux kernel development reveals that bugs often remain undetected for years, with an average lifespan of 2.1 years before discovery. The research, conducted by Pebblebed's Jenny Guanni Qu, highlights variations across kernel components and the prevalence of incomplete fixes. Some vulnerabilities persisted for over two decades.
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At the NDSS 2025 conference, Hengkai Ye and Hong Hu from The Pennsylvania State University presented a paper on subtle vulnerabilities in Linux systems that reintroduce executable stacks. Their work highlights how developers, including security experts, accidentally disable protections against code injection attacks. The study examines tools and system components to reveal gaps in enforcing write-xor-execute policies.