CVE-2026-53350
N/AIn 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: 1. The control is a SYSTEM control, so an ALSA control is not created. 2. 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.
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
—EPSS not yet scored
Impact if exploited
—CVSS · not scored
- No impact metrics
References
Technical & other
- https://git.kernel.org/stable/c/5ee9bbe2af2f373e08d3017f9aef2f2eaf29fbc3
- https://git.kernel.org/stable/c/10def23b67b42679d5b1a356e1a6f3498bd188c3
- https://git.kernel.org/stable/c/2f1be283aa777d655525d000d16474b7e7d015ea
- https://git.kernel.org/stable/c/12e579b889624ec54a201d98fdff975de556c731
- https://git.kernel.org/stable/c/6effd6f7b0ba1f5d1df702b2ef7460bcc215e9b7
- https://git.kernel.org/stable/c/7d3fb78b550301e43fdc60312aed733069694426