CVE-2021-47524

MEDIUM

Linux Kernel 5.11-5.15.6 - Use-After-Free in LiteUART Serial Driver

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: fix minor-number leak on probe errors Make sure to release the allocated minor number before returning on probe errors.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/888fc81107cacd2a4f681bac7bb785cef868214f

Patch

https://git.kernel.org/stable/c/dd5e90b16cca8a697cbe17b72e2a5f49291cabb2

Scores

CVSS v3 5.5

EPSS 0.0021

EPSS Percentile 10.5%

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 (8)

Linux/Linux < 5.11

Linux/Linux 1da81e5562fac8286567422cc56a7fbd0dc646d4 - 888fc81107cacd2a4f681bac7bb785cef868214f

Linux/Linux 1da81e5562fac8286567422cc56a7fbd0dc646d4 - dd5e90b16cca8a697cbe17b72e2a5f49291cabb2

Linux/Linux 5.11

Linux/Linux 5.15.7 - 5.15.*

Linux/Linux 5.16

linux/linux_kernel 5.16 rc1 (3 CPE variants)

linux/linux_kernel 5.11 - 5.15.7

Published May 24, 2024

Tracked Since Feb 18, 2026