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Everything about Copy Fail
Computer security vulnerability (2026)
CVE-2026-31431, commonly known as Copy Fail, is a vulnerability in the Linux kernel that allows unauthorized privilege escalation, disclosed by security firm Theori to the public on 29 April 2026 and to the Linux kernel security team five weeks prior. The exploit blends into normal system activity via standard system calls and may be raised through 10 lines of Python. Wikipedia →
🧭 Start here: a 6-step reading path
- Read the overview: Copy FailA 5-minute orientation
- Pick up a classic book: Adventures of Huckleberry FinnThe most-reprinted book on the subject
- Read the landmark paper: Dogs, Canis familiaris, fail to copy intransitive actions in third-party contextual imitation tasksCited 27 times
- Go sideways: Dirty COWA closely related topic
- Go sideways: SELinuxA closely related topic
📖 Definitions
No dictionary entry for this exact phrase.
🗂️ The subject at a glance
🏆 Landmark papers (most cited)
📚 Books worth reading
Adventures of Huckleberry FinnMark Twain · 1876
Oliver TwistCharles Dickens · 1822
Anansi BoysNeil Gaiman · 2005
A Memory of LightRobert Jordan, Brandon Sanderson · 2013
Verses from 1929 onOgden Nash, J.M. Dent & Sons Ltd · 1952
How the Light Gets In (Chief Inspector Armand Gamache #9)Louise Penny · 2013
Automate the Boring Stuff with PythonAl Sweigart · 2015
Saint Clare of AssisiErnest Gilliat-Smith · 1914
Ranked by number of editions on Open Library, a rough measure of how lasting a book is.
🔗 Related topics
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- Privilege escalation Privilege escalation is the act of exploiting a bug, a design flaw, or a configuration oversight in an operating system or software application to gain…
- Microarchitectural Data Sampling The Microarchitectural Data Sampling (MDS) vulnerabilities are a set of weaknesses in Intel x86 microprocessors that use hyper-threading, and leak data…