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CVE-2023-53724
mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
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.

INFO

Published Date :

Oct. 22, 2025, 2:15 p.m.

Last Modified :

Oct. 22, 2025, 9:12 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53724 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Fix memory leak by freeing allocated request on failure.
  • Check return value of adc_enqueue_request().
  • Free allocated request if insertion fails.
  • Apply the patch to the Linux kernel.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-53724.

URL Resource
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53724 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53724 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53724 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-53724 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 22, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30
    Added Reference https://git.kernel.org/stable/c/41cdf082ae006ea002135dfaf43b2897de3bded8
    Added Reference https://git.kernel.org/stable/c/588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e
    Added Reference https://git.kernel.org/stable/c/66616eed76dfa6f3e442907760325a023c6da7e2
    Added Reference https://git.kernel.org/stable/c/6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92
    Added Reference https://git.kernel.org/stable/c/8b450dcff23aa254844492831a8e2b508a9d522d
    Added Reference https://git.kernel.org/stable/c/9cca3a4933ca365cc664d5eefb0f942374ea8b41
    Added Reference https://git.kernel.org/stable/c/a62a5e79202967176a9c1a04e477860779accd6c
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.