CVE-2025-71192
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.
Affected versions
Linux kernel versions
4.15
and later are affected. Fixed in
6.1.161,
6.6.121,
6.12.66,
6.18.6,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2025-71192 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c
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PatchKernel patch commithttps://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f
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PatchKernel patch commithttps://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7
Frequently asked questions
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What is CVE-2025-71192?
CVE-2025-71192 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.15 onward and has been patched in 6.1.161, 6.6.121, 6.12.66 and others. CVE-2025-71192 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-71192?
Yes — CVE-2025-71192 has been patched. Fixed versions include 6.1.161, 6.6.121, 6.12.66 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-71192 actively exploited?
No — CVE-2025-71192 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.