CVE-2021-37159

kernel: use-after-free in hso_free_net_device() in drivers/net/usb/hso.c

Published Jul 21, 2021 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2785-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2843-1 linux security update
Ubuntu USN Ubuntu USN USN-5092-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5092-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5096-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5115-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5163-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5164-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5361-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6971-1 Linux kernel vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}