CISA warns of exploited Fragnesia Linux privilege escalation flaw

# CISA warns of exploited Fragnesia Linux privilege escalation flaw

https://gcdradar.vercel.app/incidents/cisa-warns-of-exploited-fragnesia-linux-privilege-escalation · AIR-2026-1650 · live

- Lane: Patch now
- Severity: 3 (Confirmed exploitation): Confirmed exploitation in the wild reported by CISA.
- Fix status: No patch yet
- First reported: 2026-10-29
- AI role: No AI role
- Products: Fragnesia Linux

## Summary

CISA issued a warning regarding a high-severity Linux kernel privilege escalation vulnerability being actively chained in the wild with PHP2Shell flaws. Federal agencies have been instructed to apply patches.

## What to do

Patch the affected Linux kernel components as advised by CISA.

## Latest updates

- 2026-10-29: CISA warns of Fragnesia Linux flaw chained in PHP2Shell attacks (https://bleepingcomputer.com/news/security/cisa-warns-of-fragnesia-linux-flaw-chained-in-php2shell-attacks)

## Sources

- 2026-10-29 BleepingComputer: CISA warns of Fragnesia Linux flaw chained in PHP2Shell attacks https://bleepingcomputer.com/news/security/cisa-warns-of-fragnesia-linux-flaw-chained-in-php2shell-attacks

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.