cve/2021/CVE-2021-37159.md

CVE-2021-37159

Description

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.

POC

Reference

• https://bugzilla.suse.com/show_bug.cgi?id=1188601
• https://www.oracle.com/security-alerts/cpujul2022.html

Github

• https://github.com/ARPSyndicate/cvemon