psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object. A double free issue has been discovered in python-psutil because of the mishandling of refcounts while converting system data into Python objects in functions like psutil_disk_partitions(), psutil_users(), psutil_net_if_addrs(), and others. In particular cases, a local attacker may be able to get code execution by manipulating system resources that python-psutil then tries to convert.
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