8 Min.

Was it a backdoor? - S1E03 !feature

    • Technologie

A seemingly harmless piece of code made its way into the Linux kernel. It was later identified to actually be a malicious bug...

This episode discusses a potential backdoor attempt into the Linux kernel.

Code:

if ((options == (__WCLONE|__WALL)) && (current->uid = 0))

    retval = -EINVAL;



Sources:


The Linux Backdoor Attempt of 2003: https://freedom-to-tinker.com/2013/10/09/the-linux-backdoor-attempt-of-2003/

The Kernel and BitKeeper pat ways: https://lwn.net/Articles/130746/

An Attempt to backdoor the kernel: https://lwn.net/Articles/57135/

Wikipedia: https://en.wikipedia.org/wiki/Linux_adoption#Timeline;


Music from https://filmmusic.io

"Deadly Roulette" by Kevin MacLeod (https://incompetech.com)

"Covert Affair" by Kevin MacLeod (https://incompetech.com)

"Lobby Time" by Kevin MacLeod (https://incompetech.com)

"Cool Vibes" by Kevin MacLeod (https://incompetech.com)

License: CC BY (http://creativecommons.org/licenses/by/4.0/)

A seemingly harmless piece of code made its way into the Linux kernel. It was later identified to actually be a malicious bug...

This episode discusses a potential backdoor attempt into the Linux kernel.

Code:

if ((options == (__WCLONE|__WALL)) && (current->uid = 0))

    retval = -EINVAL;



Sources:


The Linux Backdoor Attempt of 2003: https://freedom-to-tinker.com/2013/10/09/the-linux-backdoor-attempt-of-2003/

The Kernel and BitKeeper pat ways: https://lwn.net/Articles/130746/

An Attempt to backdoor the kernel: https://lwn.net/Articles/57135/

Wikipedia: https://en.wikipedia.org/wiki/Linux_adoption#Timeline;


Music from https://filmmusic.io

"Deadly Roulette" by Kevin MacLeod (https://incompetech.com)

"Covert Affair" by Kevin MacLeod (https://incompetech.com)

"Lobby Time" by Kevin MacLeod (https://incompetech.com)

"Cool Vibes" by Kevin MacLeod (https://incompetech.com)

License: CC BY (http://creativecommons.org/licenses/by/4.0/)

8 Min.

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