August 01, 2024

Driving lessons: The kernel drivers in Sophos Intercept X Advanced

Operating in kernel-space is necessary, but risky – here’s how we do it in Sophos Intercept X Advanced

Threat Research

March 08, 2022

“Dirty Pipe” Linux kernel bug lets anyone write to any file

Even read-only files can be written to, leading to a dangerously general purpose elevation-of-privilege attack.

Naked Security

March 17, 2021

Serious Security: The Linux kernel bugs that surfaced after 15 years

Anyone could have found these bugs, but everyone assumed someone would, and in the end, no one did. (Until now.)

Naked Security

November 12, 2019

Patch Tuesday targets Hyper-V virtual machines in November, 2019 updates

SophosLabs UncutThreat Research

November 16, 2016

Get root on Linux: learn the secret password

Spoiler alert: the secret password is [none], but you have to enter it over and over again.

Naked Security

October 21, 2016

Linux kernel bug: DirtyCOW “easyroot” hole and what you need to know

No sooner had we written about long-lived Linux kernel bugs...and along comes an 11-year-old vulnerability that's easy to exploit.

Naked Security

October 19, 2016

Linux kernel bugs: we add them in and then take years to get them out

A Google security researcher measured how long kernel bugs hang around in Linux after they've been introduced.

Naked Security