# CVE-2023-53788: linux: In the Linux kernel, the following vulnerability has been resolved:  ALSA: hda/ca0132: fixup buffer overrun at tuning...

CVE-2023-53788 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53788, released December 9, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-53788
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 9, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.25-1 | [DEBIAN-CVE-2023-53788](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53788.md) | Dec 9, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.25-1 | [DEBIAN-CVE-2023-53788](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53788.md) | Dec 9, 2025 |
| Linux | linux Debian 14 | 6.1.25-1 | [DEBIAN-CVE-2023-53788](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53788.md) | Dec 9, 2025 |

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