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Four Bytes of Power: Exploiting CVE-2021-26708 in the Linux Kernel
Автор: Alexander Popov
Загружено: 2021-05-20
Просмотров: 2149
Описание:
My talk at Zer0Con 2021.
Abstract:
CVE-2021-26708 is assigned to five race condition bugs in the virtual socket implementation of the Linux kernel. These vulnerabilities were discovered and fixed by Alexander Popov. In this talk, he will describe how to exploit them for local privilege escalation on Fedora 33 Server for x86_64, bypassing SMEP and SMAP. Alexander will demonstrate an artful way of turning very limited kernel memory corruption into a powerful weapon.
Slides:
https://a13xp0p0v.github.io/img/CVE-2...
Article:
https://a13xp0p0v.github.io/2021/02/0...
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