Vulnerability · Published May 22, 2026 · Assigned by 9front
CVE-2026-9054Invalid IP packets cause a kernel panic
Critical 9.2
In plain English
A critical-severity security flaw in 9front from 9front. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.3%top 78.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-130 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:A/AU:Y/R:A
References
- https://git.9front.org/plan9front/9front/7838d68969549f938cc8e80c0c2b4218cb12805c/commit.html mitigation
- https://git.9front.org/plan9front/9front/f86917b75e9562f90545b7e484dbdcd748236952/commit.html mitigation
- https://git.9front.org/plan9front/9front/70c97c334171c715df82774d1a47638abaca2db4/commit.html mitigation