PT-2026-61483 · Linux · Linux Kernel

CVE-2026-64166 · Published 2026-07-19 · Updated 2026-07-19

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the arm ffa firmware component where the bus match callback unconditionally dereferences the id table of FF-A drivers. Because the system assumes every driver provides this table without verification, a buggy client driver that fails to provide an id table can cause the bus to crash during the matching process.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-64166

Affected Products

Linux Kernel

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-64166 · Security Note
• https://git.kernel.org/stable/c/34f59211984f66788390e7469f3e99d3796db4a8 · Note
• https://git.kernel.org/stable/c/bc499d1acddbb75b5b4bce05f5296dd8ef9611fd · Note
• https://git.kernel.org/stable/c/0a5e695095c557d2380131b613dea4e8d90371be · Note
• https://git.kernel.org/stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0 · Note
• https://git.kernel.org/stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf · Note
• https://twitter.com/CVEnew/status/2078981227562881414 · Twitter Post
• https://git.kernel.org/stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d · Note
• https://git.kernel.org/stable/c/f98f131256beaddd51ad468e95d90d857fef12bf · Note
• https://twitter.com/infoflowcloud/status/2078982219054318064 · Twitter Post