CVE-2021-47571: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid that.

Affected products

• Linux Linux Kernel: from 3.2, before 4.4.294 (fixed in 4.4.294); from 4.5, before 4.9.292 (fixed in 4.9.292); from 4.10, before 4.14.257 (fixed in 4.14.257); from 4.15, before 4.19.219 (fixed in 4.19.219); from 4.20, before 5.4.163 (fixed in 5.4.163); from 5.5, before 5.10.83 (fixed in 5.10.83); …

Published 2024-05-24. Last modified 2026-06-17.