CVE-2026-90014 is a vulnerability in Linux Kernel
Published on September 16, 2026
tracing: Have show_event_filters/triggers files take trace array ref
In the Linux kernel, the following vulnerability has been resolved:
tracing: Have show_event_filters/triggers files take trace array ref
The newly added files show_event_filters and show_event_triggers that show
all filters or triggers that are set within the trace array do not take a
reference for the trace array it is showing. Without taking a reference,
the trace_array may be freed via "rmdir" while a task is reading one of
theses files. Those files iterate all the events within an instance
(trace_array) and nothing prevents that instance from being freed while
its data is being read. This causes a use-after-free crash.
Have the open of both those files take the trace_array reference via the
trace_array_get() that prevents the trace_array from being freed while the
files are opened.
Products Associated with CVE-2026-90014
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Affected Versions
Linux:- Version 729757b96a662d87e334fe8b837707800d8fd551 and below 2ee3f7d43f79efaca0cd84a6798653d9d75ce60b is affected.
- Version 729757b96a662d87e334fe8b837707800d8fd551 and below f4a771cc684c7354b6200147f7252c58d17408ff is affected.
- Version 7.0 is affected.
- Before 7.0 is unaffected.
- Version 7.2.5, <= 7.2.* is unaffected.
- Version 7.3-rc2, <= * is unaffected.