What’s Vulnerable › Vulnerabilities

CVE-2023-53544: cpufreq: davinci: Fix clk use after free

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-04 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Linux kernel: from 2.6.33 before 4.14.308; from 4.15 before 6.1.16; from 6.2 before 6.2.3 — fixed in 4.14.308, 6.1.16, 6.2.3

How to fix

Upgrade to a fixed version: Linux kernel 4.14.308, 6.1.16, 6.2.3. Check the vendor advisory for mitigations.

References

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

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