CVE-2023-53858

kernel: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 9, 2025

Updated · June 30, 2026

Description

A memory leak vulnerability was found in the Samsung serial TTY driver in the Linux kernel. In s3c24xx_serial_getclk(), when clk_get_rate() fails, the previously allocated clock resource is not freed, leading to a memory leak. Repeated failures can cause resource exhaustion.

Statement

This is a memory leak in the Samsung serial driver affecting ARM-based Samsung SoC platforms. The impact is limited to Samsung Exynos and S3C/S5P series devices.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-771 · Missing Reference to Active Allocated Resource