CVE-2025-71192
ALSA: ac97: fix a double free in snd_ac97_controller_register()
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix a double free in snd_ac97_controller_register() If ac97_add_adapter() fails, put_device() is the correct way to drop the device reference. kfree() is not required. Add kfree() if idr_alloc() fails and in ac97_adapter_release() to do the cleanup. Found by code review.
INFO
Published Date :
Feb. 4, 2026, 4:16 p.m.
Last Modified :
Feb. 4, 2026, 4:33 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2025-71192
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.
No affected product recoded yet
Solution
- Update the Linux kernel to the patched version.
- Verify the patch is applied successfully.
- Reboot the system if required.
- Test the audio functionality.
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-2025-71192.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-71192 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-2025-71192
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-2025-71192 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-71192 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
Feb. 04, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: ALSA: ac97: fix a double free in snd_ac97_controller_register() If ac97_add_adapter() fails, put_device() is the correct way to drop the device reference. kfree() is not required. Add kfree() if idr_alloc() fails and in ac97_adapter_release() to do the cleanup. Found by code review. Added Reference https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c Added Reference https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f Added Reference https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7 Added Reference https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e Added Reference https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396