CVE-2026-43306

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

Description A type mismatch occurs in the Linux kernel when CONFIG CFI (Control Flow Integrity, a security mechanism that ensures indirect function calls target the correct function type) is enabled. This happens because the destructor kfunc type does not match the target function bpf crypto ctx release(), which can lead to a CFI failure and a system crash (Oops).

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