CVE-2023-53724
Published Oct 22, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read() `req` is allocated in pcf50633_adc_async_read(), but adc_enqueue_request() could fail to insert the `req` into queue. We need to check the return value and free it in the case of failure.
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References
Other References
https://git.kernel.org/stable/c/3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30
https://git.kernel.org/stable/c/41cdf082ae006ea002135dfaf43b2897de3bded8
https://git.kernel.org/stable/c/588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e
https://git.kernel.org/stable/c/66616eed76dfa6f3e442907760325a023c6da7e2
https://git.kernel.org/stable/c/6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92
https://git.kernel.org/stable/c/8b450dcff23aa254844492831a8e2b508a9d522d
https://git.kernel.org/stable/c/9cca3a4933ca365cc664d5eefb0f942374ea8b41
https://git.kernel.org/stable/c/a62a5e79202967176a9c1a04e477860779accd6c
Frequently Asked Questions
What is CVE-2023-53724? +
In the Linux kernel, the following vulnerability has been resolved:
mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
`req` is allocated in pcf50633_adc_async_read(), but
adc_enqueue_request() could fail to insert the `req` into queue.
We need to check the return value and free it in the case of failure.
How do I check if I'm vulnerable to CVE-2023-53724? +
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.