CVE-2025-71192
ALSA: ac97: fix a double free in snd_ac97_controller_register()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 4, 2026 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
74426fbff66eea8e8d1f42c8238c268d1e63a832 < c80f9b3349a99a9d5b295f5bbc23f544c5995ad7 74426fbff66eea8e8d1f42c8238c268d1e63a832 < 21f8bc5179bed91c3f946adb5e55d717b891960c 74426fbff66eea8e8d1f42c8238c268d1e63a832 < fcc04c92cbb5497ce67c58dd2f0001bb87f40396 74426fbff66eea8e8d1f42c8238c268d1e63a832 < cb73d37ac18bc1716690ff5255a0ef1952827e9e 74426fbff66eea8e8d1f42c8238c268d1e63a832 < 830988b6cf197e6dcffdfe2008c5738e6c6c3c0f
Linux / Linux
4.15
References
git.kernel.org: https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7 git.kernel.org: https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c git.kernel.org: https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396 git.kernel.org: https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e git.kernel.org: https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f