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Vulnerability record · CVE-2023-53544 · published 4 October 2025

CVE-2023-53544: Linux kernel use after free vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: cpufreq: davinci: Fix clk use after free The remove function first frees the clks and only then calls cpufreq_unregister_driver(). If one of the cpufreq callbacks is called just before cpufreq_unregister_driver() is run, the freed clks might be used.

7.8 CVSS 3.1 High EPSS 0.16% · top 95.6% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: davinci: Fix clk use after free The remove function first frees the clks and only then calls cpufreq_unregister_driver(). If one of the cpufreq callbacks is called just before cpufreq_unregister_driver() is run, the freed clks might be used.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/5d8f384a9b4fc50f6a18405f1c08e5a87a77b5b3 Patch
https://git.kernel.org/stable/c/66b3bbe6fbd8dd410868e5b53ac3944a934b9310 Patch
https://git.kernel.org/stable/c/a5f024d0e6f91e05c816ad4ee8837173369dd5cb Patch
https://git.kernel.org/stable/c/ab05ae4ab831f64bbc427592c86f599ed9c4324f Patch

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Source: NIST National Vulnerability Database (record CVE-2023-53544), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.