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

The Hacker Newsby @TheHackersNews ()2 min read2
Analyze CVE-2026-46300 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-46300
Shared-frag marker loss in Linux kernel skb coalescing (LPE)
7.816%KEVPoC
KEV

From the original article

2 min read at thehackernews.com

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 ESP-in-TCP subsystem.

The Hacker News

By @TheHackersNews · thehackernews.com

Read the full article at The Hacker News

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.