'A single 732-byte Python script can be used to obtain root on essentially all Linux distributions shipped since…
A severe vulnerability nicknamed 'Copy Fail' allows local users to gain root privileges on most Linux distributions released since 2017 by exploiting a flaw in the page cache. Theori disclosed the vulnerability (CVE-2026-31431), which threat actors are already using in the wild, prompting CISA to add it to its Known Exploited Vulnerabilities Catalog.
- Entities
- Company: CISA
- Company: Theori
- Topic: Vulnerability Exploit
- Company: Canonical
- Platform: Linux
- Topic: Linux Security
- Game: Ubuntu
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