CVE-2025-71192

high

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.

References

https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396

https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e

https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7

https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f

https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c

Details

Source: Mitre, NVD

Published: 2026-02-04

Updated: 2026-02-04

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High