CVE-2023-53687

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

07/10/2025

Last modified:

03/02/2026

Description

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk When the best clk is searched, we iterate over all possible clk. If we find a better match, the previous one, if any, needs to be freed. If a better match has already been found, we still need to free the new one, otherwise it leaks.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	3.3 (including)	4.14.322 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.291 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.251 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.188 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.121 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.40 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.4.5 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-53687

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools