CVE-2026-68146 | Linux Kernel up to 7.2-rc4 ftrace race condition

A vulnerability identified as critical has been detected in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc4. This issue affects the function ftrace_regex_open/ftrace_graph_open/ftrace_regex_write/ftrace_graph_write/ftrace_regex_release/ftrace_graph_release of the component ftrace. Performing a manipulation results in race condition.

This vulnerability is identified as CVE-2026-68146. The attack is only possible with local access. There is not any exploit available.

You should upgrade the affected component.