Linux kernel sched_ext race when moving tasks between queues
Linux kernel's task scheduling has a flaw; the impact is not stated.
Summary
In the sched_ext feature of the Linux kernel, two paths can operate on the same task while it is moved between queues. The sources do not state what an attacker could gain.
What to do
No fixed version is named in the sources. Check that your kernel is newer than the affected 7.1 line, and on the 7.2 line that it is 7.2.14 or later, then read your distribution's security updates and advisory.
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