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[CUCTF 2020] Hotrod: Exploiting timerfd_ctx Objects In The Linux Kernel

syst3mfailure.io · published 19 October 2020

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https://meltdownattack.com/
meltdownattack.com
https://elixir.bootlin.com/linux/v5.8.3/source/include/linux/uaccess.h
elixir.bootlin.com
https://en.wikipedia.org/wiki/Interrupt_descriptor_table
en.wikipedia.org
https://en.wikibooks.org/wiki/QEMU/Monitor
en.wikibooks.org
https://en.wikipedia.org/wiki/System.map
en.wikipedia.org
https://en.wikipedia.org/wiki/Cpio
en.wikipedia.org
https://github.com/sashs/ropper
github.com
https://github.com/JonathanSalwan/ROPgadget
github.com
https://github.com/torvalds/linux/blob/master/scripts/extract-vmlinux
github.com
https://www.kernel.org/doc/htmldocs/kernel-api/API-misc-register.html
kernel.org
https://www.linuxjournal.com/article/2920
linuxjournal.com
https://www.oreilly.com/library/view/linux-device-drivers/0596000081/ch03s02.html
oreilly.com
https://elixir.bootlin.com/linux/v5.8.3/source/include/linux/miscdevice.h
elixir.bootlin.com
https://elixir.bootlin.com/linux/v5.8.3/source/include/linux/fs.h
elixir.bootlin.com
https://www.kernel.org/doc/gorman/html/understand/understand011.html
kernel.org
http://en.wikipedia.org/wiki/Giant_lock
en.wikipedia.org
https://lwn.net/Articles/119652/
lwn.net
https://lwn.net/Articles/394724/
lwn.net
https://ptr-yudai.hatenablog.com/entry/2020/03/16/165628
ptr-yudai.hatenablog.com
https://elixir.bootlin.com/linux/v5.8.3/source/fs/timerfd.c
elixir.bootlin.com
https://elixir.bootlin.com/linux/v4.19.65/source/include/linux/hrtimer.h
elixir.bootlin.com
https://elixir.bootlin.com/linux/v4.19.65/source/include/linux/alarmtimer.h
elixir.bootlin.com
https://linux.die.net/man/2/timerfd_create
linux.die.net
https://elixir.bootlin.com/linux/v5.8.3/source/include/linux/rcupdate.h
elixir.bootlin.com
https://elixir.bootlin.com/linux/v4.19.65/source/fs/timerfd.c
elixir.bootlin.com
https://www.kernel.org/doc/html/latest/admin-guide/mm/userfaultfd.html
kernel.org
Measuring userfaultfd page-fault latency Read at the source ↗
makedist.com
https://syst3mfailure.io//assets/files/poc.c
syst3mfailure.io
https://elixir.bootlin.com/linux/v5.8.3/source/include/linux/sched.h
elixir.bootlin.com
https://elixir.bootlin.com/linux/v5.8.3/source/include/linux/cred.h
elixir.bootlin.com
https://elixir.bootlin.com/linux/v5.8.3/source/kernel/cred.c
elixir.bootlin.com
https://elixir.bootlin.com/linux/v5.8.3/source/kernel/kmod.c
elixir.bootlin.com
https://elixir.bootlin.com/linux/v5.8.3/source/kernel/umh.c
elixir.bootlin.com
https://syst3mfailure.io//assets/files/exploit.c
syst3mfailure.io
https://syst3mfailure.io//assets/files/utils.h
syst3mfailure.io
https://github.com/CUCyber/cuctf-2020-challenges/tree/main/binary-exploitation/Hotrod/distributed
github.com
https://linux-kernel-labs.github.io/refs/heads/master/labs/device_drivers.html
linux-kernel-labs.github.io
https://software.intel.com/content/www/us/en/develop/download/intel-64-and-ia-32-architectures-sdm-combined-volumes-1-2a-2b-2c-2d-3a-3b-3c-3d-and-4.html
software.intel.com
https://www.cs.hs-rm.de/~kaiser/events/wamos2018/Slides/mueller.pdf
cs.hs-rm.de
https://www.kernel.org/doc/html/latest/x86/pti.html
kernel.org
The Slab Allocator in the Linux kernel Read at the source ↗
hammertux.github.io
https://argp.github.io/2012/01/03/linux-kernel-heap-exploitation/
argp.github.io
https://rpis.ec/blog/tokyowesterns-2019-gnote/
rpis.ec
https://blog.lizzie.io/using-userfaultfd.html
blog.lizzie.io
Asciiflow Read at the source ↗
asciiflow.com
https://www.jianshu.com/p/a2259cd3e79e
jianshu.com