New Dirty-Frag Exploit Targets Linux Kernel: Serious Memory Flaw Grants Root Access

Discovery of the Copy Fail Linux kernel exploit sparked widespread discussion and concern around Linux kernel security earlier this month, and that was for an exploit that had mostly already been patched by the time the public was made aware of it. Unfortunately, a similar follow-up Linux Kernel exploit has risen up to take Copy Fail's place, and Dirty Frag has now been disclosed ahead of any mitigation patches, making it a more dangerous exploit for real-world scenarios until formal patches are released. That's the bad news; the good news is that users of affected distros can already take measures to manually remove the weakness Dirty Frag exploits for themselves.

So, what exactly is Dirty Frag, and what connects it to Copy Fail? The researchers who discovered it, V4bel and ...