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New Fragnesia Linux Kernel LPE Grants Root Access via Page Cache Corruption

Written by

Robert Timlick

in

Details have emerged about a new variant of the recent Dirty Frag Linux local privilege escalation (LPE) vulnerability that allows local attackers to gain root access, making it the third such bug to be identified in the kernel within a span of two weeks.
Codenamed Fragnesia, the security vulnerability is tracked as CVE-2026-46300 (CVSS score: 7.8) and is rooted in the Linux kernel’s XFRM

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