GHSA-Q7RW-6RP9-VHJ5
Vulnerability from github – Published: 2026-07-01 15:35 – Updated: 2026-07-01 15:35In the Linux kernel, the following vulnerability has been resolved:
ASoC: wm_adsp: Fix NULL dereference when removing firmware controls
In wm_adsp_control_remove() check that the priv pointer is not NULL before attempting to cleanup what it points to.
When cs_dsp creates a control it calls wm_adsp_control_add_cb() so that wm_adsp can create its own private control data. There are two cases where private data is not created:
-
The control is a SYSTEM control, so an ALSA control is not created.
-
The codec driver has registered a control_add() callback that hides the control, so wm_adsp_control_add() is not called.
When cs_dsp_remove destroys its control list it calls wm_adsp_control_remove() for each control. But wm_adsp_control_remove() was attempting to cleanup the private data pointed to by cs_ctl->priv without checking the pointer for NULL.
{
"affected": [],
"aliases": [
"CVE-2026-53350"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-01T14:16:43Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: wm_adsp: Fix NULL dereference when removing firmware controls\n\nIn wm_adsp_control_remove() check that the priv pointer is not NULL\nbefore attempting to cleanup what it points to.\n\nWhen cs_dsp creates a control it calls wm_adsp_control_add_cb() so that\nwm_adsp can create its own private control data. There are two cases\nwhere private data is not created:\n\n1. The control is a SYSTEM control, so an ALSA control is not created.\n\n2. The codec driver has registered a control_add() callback that\n hides the control, so wm_adsp_control_add() is not called.\n\nWhen cs_dsp_remove destroys its control list it calls\nwm_adsp_control_remove() for each control. But wm_adsp_control_remove()\nwas attempting to cleanup the private data pointed to by cs_ctl-\u003epriv\nwithout checking the pointer for NULL.",
"id": "GHSA-q7rw-6rp9-vhj5",
"modified": "2026-07-01T15:35:19Z",
"published": "2026-07-01T15:35:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53350"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/10def23b67b42679d5b1a356e1a6f3498bd188c3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/12e579b889624ec54a201d98fdff975de556c731"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2f1be283aa777d655525d000d16474b7e7d015ea"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5ee9bbe2af2f373e08d3017f9aef2f2eaf29fbc3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6effd6f7b0ba1f5d1df702b2ef7460bcc215e9b7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7d3fb78b550301e43fdc60312aed733069694426"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.