VULNERABILITY INTELLIGENCE
CVE-2021-37159
CVSS score6.4 MEDIUM
EPSS probability0.39%
CISA KEVNot currently listed
Published2021-07-21
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-415
Primary references
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory