EP. 192: CVE-2026-46300: Actively Exploited Fragnesia Linux Root Escalation

The Digital Warfare Podcast · Oct 29, 2026 · 5m · transcript

Summary

CVE-2026-46300, known as Fragnesia, is an actively exploited Linux kernel privilege escalation vulnerability involving shared packet-fragment handling in the networking stack.

The flaw can allow an attacker who already has local execution to escalate privileges to root, creating the potential for credential theft, defense evasion, persistence, log manipulation, and lateral movement.

Organizations should patch affected kernels and investigate exposed systems for evidence that privilege escalation may already have occurred.

Key Takeaways

• CVE-2026-46300 is actively exploited in the…