CVE-2021-47570

MEDIUM

Linux Kernel < 5.15 - Use-After-Free in rtw_wx_read32

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: staging: r8188eu: fix a memory leak in rtw_wx_read32() Free "ptmp" before returning -EINVAL.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/c8d3775745adacf9784a7a80a82d047051752573

Patch

https://git.kernel.org/stable/c/be4ea8f383551b9dae11b8dfff1f38b3b5436e9a

Scores

CVSS v3 5.5

EPSS 0.0018

EPSS Percentile 7.8%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (7)

Linux/Linux < 5.15

Linux/Linux 2b42bd58b32155a1be4dd78991845dec05aaef9e - be4ea8f383551b9dae11b8dfff1f38b3b5436e9a

Linux/Linux 2b42bd58b32155a1be4dd78991845dec05aaef9e - c8d3775745adacf9784a7a80a82d047051752573

Linux/Linux 5.15

Linux/Linux 5.15.6 - 5.15.*

Linux/Linux 5.16

linux/linux_kernel 5.15 - 5.15.6

Published May 24, 2024

Tracked Since Feb 18, 2026