CVE-2022-49794
Atmel IIO ADC Memory Leak Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger() If iio_trigger_register() returns error, it should call iio_trigger_free() to give up the reference that hold in iio_trigger_alloc(), so that it can call iio_trig_release() to free memory when the refcount hit to 0.
INFO
Published Date :
May 1, 2025, 3:16 p.m.
Last Modified :
May 2, 2025, 1:53 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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CVE-2022-49794.
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CVE-2022-49794 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49794 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.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 01, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger() If iio_trigger_register() returns error, it should call iio_trigger_free() to give up the reference that hold in iio_trigger_alloc(), so that it can call iio_trig_release() to free memory when the refcount hit to 0. Added Reference https://git.kernel.org/stable/c/1bf8c0aff8fb5c4edf3ba6728e6bedbd610d7f4b Added Reference https://git.kernel.org/stable/c/2b29a7f2d52fb5281b30cf61c947d88bab18a29b Added Reference https://git.kernel.org/stable/c/65f20301607d07ee279b0804d11a05a62a6c1a1c Added Reference https://git.kernel.org/stable/c/7b75515728b628a9a7540f201efdeb8ca7299385 Added Reference https://git.kernel.org/stable/c/85d2a8b287a89853c0dcfc5a97b5e9d36376fe37 Added Reference https://git.kernel.org/stable/c/a0d98ae5a62a7bbad8fcf9fa22e0a1274197bbc4 Added Reference https://git.kernel.org/stable/c/c27a3b6ba23350708cf5ab9962337447b51eb76d Added Reference https://git.kernel.org/stable/c/c3ce73f60599a483dca7becd4112508833a40ef9
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49794 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-2022-49794
weaknesses.