Linux Kernel
CISA warns of Fragnesia Linux flaw chained in PHP2Shell attacks
At a glance
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
- Leaders should confirm whether their organisation's Linux systems are up to date with the latest security patches to mitigate potential exploitation through this vulnerability.
Next steps
Monitor- For awareness — no fixed action deadline for this reporting
- A high-severity Linux kernel privilege escalation bug is being chained with PHP2Shell flaws by attackers in the wild.
Next steps
Monitor- No immediate technical action — track if your estate depends on the products or vendors discussed
Summary
- CISA warned federal agencies to patch a high-severity Linux kernel privilege escalation bug that is being exploited in conjunction with PHP2Shell flaws.
Read the original reportBleepingComputer(opens in a new tab)
Products and services involved
- Linux Kernel98% match confidence
Pulse
Last checked 6d ago · Recheck overdue since 5 Nov 2026, 01:36 UK time
- Story29 Oct 2026, 14:15 UK time · 29 Oct
Linked reporting from BleepingComputer (independent original reporting).
Read source (BleepingComputer)
1 entry so far. The timeline chart appears once this story has more history.
Sources
- BleepingComputerNews
CISA warns of Fragnesia Linux flaw chained in PHP2Shell attacks
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
CISA warns of Fragnesia Linux flaw chained in PHP2Shell attacks
- ProbableSummary fact75% confidence
Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies to patch a high-severity Linux kernel privilege escalation bug that attackers are chaining with the PHP2Shell flaws in the wild.