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Tag: kernel security

  • Hacker News: Apple rearranged its XNU kernel with exclaves

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    Kurt Seifried
    in

    Source URL: https://www.theregister.com/2025/03/08/kernel_sanders_apple_rearranges_xnu/ Source: Hacker News Title: Apple rearranged its XNU kernel with exclaves Feedly Summary: Comments AI Summary and Description: Yes Summary: Apple is enhancing the security of its XNU kernel through the introduction of “exclaves,” which create isolated domains that enhance protection against kernel compromises. This architectural shift aims to combine the advantages…

  • The Register: Google patches odd Android kernel security bug amid signs of targeted exploitation

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    Kurt Seifried
    in

    Source URL: https://www.theregister.com/2025/02/04/google_android_patch_netgear/ Source: The Register Title: Google patches odd Android kernel security bug amid signs of targeted exploitation Feedly Summary: Also, Netgear fixes critical router, access point vulnerabilities Google has released its February Android security updates, including a fix for a high-severity kernel-level vulnerability, which is suspected to be in use by targeted exploits.……

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

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    system automation
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    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

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    system automation
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    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

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    system automation
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    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

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    system automation
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    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…