Tag: kernel security

  • Hacker News: New Windows Driver Signature bypass allows kernel rootkit installs

    Source URL: https://www.bleepingcomputer.com/news/security/new-windows-driver-signature-bypass-allows-kernel-rootkit-installs/ Source: Hacker News Title: New Windows Driver Signature bypass allows kernel rootkit installs Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses a vulnerability in Windows kernel security that allows attackers to downgrade kernel components, circumventing security measures like Driver Signature Enforcement (DSE). Despite the advancements in kernel security,…

  • Hacker News: SELinux Bypasses

    Source URL: https://klecko.github.io/posts/selinux-bypasses/ Source: Hacker News Title: SELinux Bypasses Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The text provides an in-depth technical exploration of SELinux, specifically relating to its implementation, security mechanisms, and potential bypass methods on Android devices. This is significant for professionals in security and compliance who are focused on kernel-level…

  • Hacker News: A deep dive into Linux’s new mseal syscall

    Source URL: https://blog.trailofbits.com/2024/10/25/a-deep-dive-into-linuxs-new-mseal-syscall/ Source: Hacker News Title: A deep dive into Linux’s new mseal syscall Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses the introduction of a new syscall called `mseal` in the Linux kernel that implements a memory sealing protection mechanism. It highlights how `mseal` differs from previous memory protection…

  • Hacker News: Race conditions in Linux Kernel perf events

    Source URL: https://binarygecko.com/race-conditions-in-linux-kernel-perf-events/ Source: Hacker News Title: Race conditions in Linux Kernel perf events Feedly Summary: Comments AI Summary and Description: Yes **Summary:** The provided text details a vulnerability in the Linux kernel’s `perf_events` subsystem, specifically related to the management of auxiliary buffers within performance monitoring events. It reveals exploit strategies and proofs of concept…