Attackers are cashing in on fresh 'CopyFail' Linux flaw
ID: f450c144-ad56-5c72-8169-6505e9724a0c
STIX ID: report--f450c144-ad56-5c72-8169-6505e9724a0c
Feed Name: The Register (Security)
Threat Score
**CopyFail (CVE-2026-31431)** is a Linux kernel vulnerability that allows limited users to modify data they should only read, enabling reliable local privilege escalation to root; a working PoC exploit was published and major vendors issued patches, while CISA and Microsoft report active or likely exploitation, prompting urgent patching notices.
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