This was an interesting exploit I read up on and the "Dirty COW" exploit, or copy-on-write(CVE-2016-5195). It is an 11 year old bug that was patched up once but was apparently undone by another patch years later.
How Does The Exploit Work?
It is a bug on the kernel level and the memory system can break at times during operations. During this time is when an unprivileged user can gain write access.There's more detail in the video below and you can see the exploit in action.
What Does This Mean?
The main fear of this bug can allow a user to gain root server access and do whatever they wanted. There are a large amount of Linux servers out there used by professional businesses, schools, and personal users. This is a bug users should take seriously and patch it as soon as fix is released.
Source: Engadget
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https://dirtycow.ninja/ ... that webpage is not entirely serious, but it does contain some few links of relevance.
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