CVE-2021-47571

HIGH

Linux Kernel 3.2-4.4.293 - Use-After-Free in rtl8192e PCI Disconnect Handler

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8

Scores

CVSS v3 7.8
EPSS 0.0022
EPSS Percentile 12.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (19)
Linux/Linux < 3.2
Linux/Linux 3.2
Linux/Linux 4.14.257 - 4.14.*
Linux/Linux 4.19.219 - 4.19.*
Linux/Linux 4.4.294 - 4.4.*
Linux/Linux 4.9.292 - 4.9.*
Linux/Linux 5.10.83 - 5.10.*
Linux/Linux 5.15.6 - 5.15.*
Linux/Linux 5.16
Linux/Linux 5.4.163 - 5.4.*
... and 9 more
Published May 24, 2024
Tracked Since Feb 18, 2026