What’s Vulnerable › Vulnerabilities

CVE-2023-53725: clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe

• Severity: unknown
• 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: 2025-10-22 · updated 2026-10-28

Description

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe Smatch reports: drivers/clocksource/timer-cadence-ttc.c:529 ttc_timer_probe() warn: 'timer_baseaddr' from of_iomap() not released on lines: 498,508,516. timer_baseaddr may have the problem of not being released after use, I replaced it with the devm_of_iomap() function and added the clk_put() function to cleanup the "clk_ce" and "clk_cs".

Affected products

• Linux kernel: 3.10 — fixed in 6.5

How to fix

Upgrade to a fixed version: Linux kernel 6.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/289e2054eeb63c9e133960731c342eeffad218d3
• https://git.kernel.org/stable/c/54cc10a0f4b01b522e9519014200f1b33bf7e4aa
• https://git.kernel.org/stable/c/67d7eebbc424935dec61fb352d1ccae5d16cf429
• https://git.kernel.org/stable/c/8b5bf64c89c7100c921bd807ba39b2eb003061ab
• https://git.kernel.org/stable/c/919dd531ebb7514f205ae7aab87994337ebce1f6
• https://git.kernel.org/stable/c/99744200f28b2cf5f50767447e51b4b4a977d145
• https://git.kernel.org/stable/c/e0a9cc90ea44a50d76a84f9f9bf1703d31fe45e9
• https://git.kernel.org/stable/c/ebdff0986513a29be242aace0ef89b6c105b0bf0

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