CVE-2026-64166
Published Jul 19, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Check for NULL FF-A ID table while driver registration The bus match callback assumes that every FF-A driver provides an id_table and dereferences it unconditionally. Enforce that contract at registration time so a buggy client driver cannot crash the bus during match.
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EPSS — Exploit Prediction
0.0017
Probability of exploitation
0.07%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/0a5e695095c557d2380131b613dea4e8d90371be
https://git.kernel.org/stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf
https://git.kernel.org/stable/c/34f59211984f66788390e7469f3e99d3796db4a8
https://git.kernel.org/stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d
https://git.kernel.org/stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0
https://git.kernel.org/stable/c/bc499d1acddbb75b5b4bce05f5296dd8ef9611fd
https://git.kernel.org/stable/c/f98f131256beaddd51ad468e95d90d857fef12bf
Frequently Asked Questions
What is CVE-2026-64166? +
In the Linux kernel, the following vulnerability has been resolved:
firmware: arm_ffa: Check for NULL FF-A ID table while driver registration
The bus match callback assumes that every FF-A driver provides an
id_table and dereferences it unconditionally. Enforce that contract at
registration time so a buggy client driver cannot crash the bus during
match.
How do I check if I'm vulnerable to CVE-2026-64166? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.