CVE-2023-53725
Published Oct 22, 2025
Modified Apr 15, 2026
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".
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References
Other 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
Frequently Asked Questions
What is CVE-2023-53725? +
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".
How do I check if I'm vulnerable to CVE-2023-53725? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.