CVE-2023-53687: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 3.3, before 4.14.322 (fixed in 4.14.322); from 4.15, before 4.19.291 (fixed in 4.19.291); from 4.20, before 5.4.251 (fixed in 5.4.251); from 5.5, before 5.10.188 (fixed in 5.10.188); from 5.11, before 5.15.121 (fixed in 5.15.121); from 5.16, before 6.1.40 (fixed in 6.1.40); …

Published 2025-10-07. Last modified 2026-06-17.