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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4476-1 | linux-6.1 security update |
Debian DSA |
DSA-6126-1 | linux security update |
Debian DSA |
DSA-6127-1 | linux security update |
Ubuntu USN |
USN-8278-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8289-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-8296-1 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-8296-2 | Linux kernel (NVIDIA Tegra) vulnerabilities |
Ubuntu USN |
USN-8278-2 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8440-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8499-1 | Linux kernel (Xilinx) vulnerabilities |
Ubuntu USN |
USN-8570-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8594-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-8604-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8605-1 | Linux kernel (Azure CVM) vulnerabilities |
Ubuntu USN |
USN-8570-2 | Linux kernel (Oracle) vulnerabilities |
Thu, 30 Jul 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Thu, 05 Feb 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 04 Feb 2026 16:15:00 +0000
| Type | Values Removed | Values 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. | |
| Title | ALSA: ac97: fix a double free in snd_ac97_controller_register() | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-07-30T06:05:54.931Z
Reserved: 2026-01-31T11:36:51.189Z
Link: CVE-2025-71192
No data.
Status : Deferred
Published: 2026-02-04T16:16:18.770
Modified: 2026-06-17T10:03:51.607
Link: CVE-2025-71192
OpenCVE Enrichment
No data.
No weakness.
Debian DLA
Debian DSA
Ubuntu USN