CVE-2021-28660

kernel: buffer overflow in rtw_wx_set_scan function in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c

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Severity

Moderate

Red Hat Product Security

8.4

CVSS 3.1

Review impact separately from score.

Published · March 10, 2021

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel. The rtw_wx_set_scan driver allows writing beyond the end of the ->ssid[] array. The highest threat from this vulnerability is to data confidentiality and integrity as well system availability.

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 · 8.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')