MEDIUM 6.4 Microsoft

CVE-2021-37159

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.

Microsoft Security Update 2021-Jul: 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.

Affected Products

References

Published: 2021-07-13 · Source: Microsoft · Feed updated: 2026-10-01
This medium severity vulnerability with a CVSS score of 6.4 was published on 2021-07-13 via Microsoft. Affected: cm1 kernel 5.10.131.1-1 on CBL Mariner 1.0, cbl2 kernel 5.15.2.1-1 on CBL Mariner 2.0.
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