# CVE-2023-53788: ALSA: hda/ca0132: fixup buffer overrun at tuning\_ctl\_set()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.9

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set() tuning_ctl_set() might have buffer overrun at (X) if it didn't break from loop by matching (A). static int tuning_ctl_set(...) { for (i = 0; i < TUNING_CTLS_COUNT; i++) (A) if (nid == ca0132_tuning_ctls[i].nid) break; snd_hda_power_up(...); (X) dspio_set_param(..., ca0132_tuning_ctls[i].mid, ...); snd_hda_power_down(...); ^ return 1; } We will get below error by cppcheck sound/pci/hda/patch_ca0132.c:4229:2: note: After for loop, i has value 12 for (i = 0; i < TUNING_CTLS_COUNT; i++) ^ sound/pci/hda/patch_ca0132.c:4234:43: note: Array index out of bounds dspio_set_param(codec, ca0132_tuning_ctls[i].mid, 0x20, ^ This patch cares non match case.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
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## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/ff5e8b49348f6a550c136b74efaf8b3c1d3ceaea
- https://git.kernel.org/stable/c/3590498117a11aa1f92a97e8a04d95320e347ebd
- https://git.kernel.org/stable/c/7f12f99b8017ad5ed5aff4b0aefe3bb7bbdf8a99
- https://git.kernel.org/stable/c/baef27176ea5fdc7ad0947e2dc7733855e35db71
- https://git.kernel.org/stable/c/d23f65f08247068576a01e28b297e995b7dc3965
- https://git.kernel.org/stable/c/32854bc91ae7debcdefdc7ae881ed83385a04792
- https://git.kernel.org/stable/c/734a3deb6614e3597e7e9ef7fb6006c593c5ee18
- https://git.kernel.org/stable/c/98e5eb110095ec77cb6d775051d181edbf9cd3cf

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