CVE-2023-53687

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedOct 7, 2025
First seenOct 7, 2025

How to fix

Update
  • linux linux_kernel4.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.40, 6.4.5 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel3.3 ≤ v < 4.14.322, 4.15 ≤ v < 4.19.291, 4.20 ≤ v < 5.4.251, 5.5 ≤ v < 5.10.188, 5.11 ≤ v < 5.15.121, 5.16 ≤ v < 6.1.40, 6.2 ≤ v < 6.4.54.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.40, 6.4.5

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