CVE-2021-47270: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadgets null ptr deref on 10gbps cabling. This avoids a null pointer dereference in f_{ecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm} by simply reusing the 5gbps config for 10gbps.

Affected products

• Linux Linux Kernel: from 4.6, before 4.9.273 (fixed in 4.9.273); from 4.10, before 4.14.237 (fixed in 4.14.237); from 4.15, before 4.19.195 (fixed in 4.19.195); from 4.20, before 5.4.126 (fixed in 5.4.126); from 5.5, before 5.10.44 (fixed in 5.10.44); from 5.11, before 5.12.11 (fixed in 5.12.11); …

Published 2024-05-21. Last modified 2026-06-17.