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  1. proslijedio/la je Tweet
    6. stu 2019.

    How complicated is cellular baseband firmware? At least this complicated: over 150K debugging messages across 932 directories and 2,775 files! Rebuilding the source code skeleton from Samsung S10's Shannon S5000 baseband debugging messages.

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  2. 29. sij
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  3. 29. sij

    Implemented a PoC for disabling kernel lockdown on Ubuntu via a keyboard emulated through USB/IP, CC

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  4. proslijedio/la je Tweet
    28. sij

    My patch to disable PCI device DMA in early boot to avoid gaps in IOMMU coverage just got merged to mainline, so here's a writeup of it:

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  5. 27. sij

    Linux kernel 5.5 includes kcov extension that allows to collect code coverage from background kernel threads:

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  6. proslijedio/la je Tweet
    27. sij

    What I'm thinking reading this sad story of crit remote vuln introduced into all LTS kernels and still unfixed (now in your kernel)- this "forgot to release lock" is mostly solved problem today with static analysis. Kernel absolutely needs it as part of the dev process 1/n

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  7. 25. sij

    Ported my old interactive USB keyboard script to the new FaceDancer, sent a PR: CC

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  8. proslijedio/la je Tweet
    23. sij

    Welcome changes for kernel: and the mailing list version for contrast: Gerrit has side-by-side diffs, full expandable context, non-lossy comments attached to lines. Here are docs:

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  9. proslijedio/la je Tweet
    23. sij

    Wow, crazy issue bypasses PAN: Part of the uaccess routines (__arch_clear_user() and __arch_copy_{in,from,to}_user()) fail to re-enable PAN if they encounter an unhandled fault while accessing userspace. Check out the patch:

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  10. proslijedio/la je Tweet
    21. sij

    I have so many questions right now. You know , right, the thing that runs the universe today? This FOU_ATTR_LOCAL_V6 wanted to say .len instead of .type: This means this thing never-ever worked in any way. Any attempt to pass these args would...

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  11. proslijedio/la je Tweet
    23. sij

    ========================= The Life and Incredible Adventures of One QEMU Bug (Which I Finally Fixed) ========================= A thread [1/n]

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  12. proslijedio/la je Tweet
    21. sij

    Week has passed... If you said 20+ you were right. 30 on dashboard (open+pending) My local instance has 70(!): All reachable by unpriv users That's not all. To find more we need to fix these first, otherwise it just keep crashing

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  13. proslijedio/la je Tweet
    16. sij

    Got an OOPS? Figured out the type in the variable causing the oops? Got the offset? Deep in a sub struct? Got you covered with a new EXAMPLE:

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  14. 16. sij
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  15. proslijedio/la je Tweet
    16. sij

    I'll make my tech report and poc public soon. It was a fun bug affecting most major distributions. one exploit to rule them all w/ all kernel expl mitigation bypasses - no rop chains / hardcoded crap

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  16. proslijedio/la je Tweet
    15. sij

    Brace yourselves, more netfilter bugs are coming! Bets on number of bugs in the first week

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  17. proslijedio/la je Tweet
    10. sij

    Nightmare is an intro to binary exploitation / reverse engineering course based around ctf challenges (binaries + writeups by hacking topics)

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  18. 8. sij

    Linux Kernel Runtime Guard (LKRG) bypass collection by Ilya Matveychikov, CC

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  19. proslijedio/la je Tweet
    7. sij
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  20. proslijedio/la je Tweet
    7. sij

    New blog post. ARM hardware bug. In the specification.

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