Linux Kernel bug Fragnesia allows local root access attacks
ID: d2e562cd-0917-5cda-95a9-3934fba5ffc3
STIX ID: report--d2e562cd-0917-5cda-95a9-3934fba5ffc3
Feed Name: Security Affairs
Threat Score
Fragnesia (CVE-2026-46300) is a recently disclosed Linux kernel privilege-escalation flaw in the XFRM ESP-in-TCP subsystem that enables local attackers to corrupt the kernel page cache and gain root access; multiple vendors have released advisories and patches and a public proof-of-concept has been published, increasing the risk of weaponization.
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