CVE-2021-47571

kernel: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()

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Severity

Low

Red Hat Product Security

5.6

CVSS 3.1

Review impact separately from score.

Published · May 24, 2024

Updated · November 21, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H

CWE-416 · Use After Free