cve/2024/CVE-2024-42088.md

### [CVE-2024-42088](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-42088)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=6.8%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=e70b8dd26711704b1ff1f1b4eb3d048ba69e29da%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

In the Linux kernel, the following vulnerability has been resolved:ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai linkCommit e70b8dd26711 ("ASoC: mediatek: mt8195: Remove afe-dai componentand rework codec link") removed the codec entry for the ETDM1_OUT_BEdai link entirely instead of replacing it with COMP_EMPTY(). This workedby accident as the remaining COMP_EMPTY() platform entry became the codecentry, and the platform entry became completely empty, effectively thesame as COMP_DUMMY() since snd_soc_fill_dummy_dai() doesn't do anythingfor platform entries.This causes a KASAN out-of-bounds warning in mtk_soundcard_common_probe()in sound/soc/mediatek/common/mtk-soundcard-driver.c:	for_each_card_prelinks(card, i, dai_link) {		if (adsp_node && !strncmp(dai_link->name, "AFE_SOF", strlen("AFE_SOF")))			dai_link->platforms->of_node = adsp_node;		else if (!dai_link->platforms->name && !dai_link->platforms->of_node)			dai_link->platforms->of_node = platform_node;	}where the code expects the platforms array to have space for at least one entry.Add an COMP_EMPTY() entry so that dai_link->platforms has space.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds