CVE-2023-53858

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error If clk_get_rate() fails, the clk that has just been allocated needs to be freed.

Package Linux Kernel
Published 2025-12-09
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 3.3 and later are affected. Fixed in 4.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.40, 6.4.5, 6.5 and their respective stable series.

Affected from
≥ 3.3
Fixed in
✓ 4.14.322 4.14.x ✓ 4.19.291 4.19.x ✓ 5.4.251 5.4.x ✓ 5.10.188 5.10.x ✓ 5.15.121 5.15.x ✓ 6.1.40 6.1.x ✓ 6.4.5 6.4.x ✓ 6.5

References

The following references provide additional information about CVE-2023-53858 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-53858?

    CVE-2023-53858 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.3 onward and has been patched in 4.14.322, 4.19.291, 5.4.251 and others. CVE-2023-53858 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-53858?

    Yes — CVE-2023-53858 has been patched. Fixed versions include 4.14.322, 4.19.291, 5.4.251 and others. If you are running Linux kernel 3.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-53858 actively exploited?

    No — CVE-2023-53858 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.