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prionPRIOn knowledge basePRION:CVE-2021-37159
HistoryJul 21, 2021 - 3:16 p.m.

Double free

2021-07-2115:16:00
PRIOn knowledge base
www.prio-n.com
18

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

48.4%

hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.