CVE-2026-9054 Invalid IP packets cause a kernel panic
An attacker can cause a kernel panic in the 9front operating system by sending malformed network packets with invalid length fields.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9054?
CVE-2026-9054 is a critical denial of service vulnerability in 9front, published on 22 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.
Weakness: CWE-130
Which versions are affected by CVE-2026-9054?
How do I fix CVE-2026-9054?
No fix has been published for CVE-2026-9054 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-9054 being exploited?
There is no known exploitation of CVE-2026-9054 in the wild and no public exploit code.
Sources
Also known as GHSA-ggv5-f87x-rf79.