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.
No affected software listed.
- https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c
- https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f
- https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7
- https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e
- https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396
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