{"schema_version":"1.9.0","id":"CVE-2024-42088","published":"2024-07-29T16:26:28.523Z","modified":"2026-08-12T03:51:17.290940193Z","summary":"ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link\n\nCommit e70b8dd26711 (\"ASoC: mediatek: mt8195: Remove afe-dai component\nand rework codec link\") removed the codec entry for the ETDM1_OUT_BE\ndai link entirely instead of replacing it with COMP_EMPTY(). This worked\nby accident as the remaining COMP_EMPTY() platform entry became the codec\nentry, and the platform entry became completely empty, effectively the\nsame as COMP_DUMMY() since snd_soc_fill_dummy_dai() doesn't do anything\nfor platform entries.\n\nThis causes a KASAN out-of-bounds warning in mtk_soundcard_common_probe()\nin sound/soc/mediatek/common/mtk-soundcard-driver.c:\n\n\tfor_each_card_prelinks(card, i, dai_link) {\n\t\tif (adsp_node && !strncmp(dai_link->name, \"AFE_SOF\", strlen(\"AFE_SOF\")))\n\t\t\tdai_link->platforms->of_node = adsp_node;\n\t\telse if (!dai_link->platforms->name && !dai_link->platforms->of_node)\n\t\t\tdai_link->platforms->of_node = platform_node;\n\t}\n\nwhere the code expects the platforms array to have space for at least one entry.\n\nAdd an COMP_EMPTY() entry so that dai_link->platforms has space.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"81051a495a9a23c0339d2ae1aa6e4477ed7268c8"},{"fixed":"62f61129621ce7e05a6d24584660f79bf081b483"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e70b8dd26711704b1ff1f1b4eb3d048ba69e29da"},{"fixed":"42b9ab7a4d7e6c5efd71847541e4fcc213585aad"},{"fixed":"282a4482e198e03781c152c88aac8aa382ef9a55"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42088.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.8.0"},{"fixed":"6.9.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42088.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/282a4482e198e03781c152c88aac8aa382ef9a55"},{"type":"WEB","url":"https://git.kernel.org/stable/c/42b9ab7a4d7e6c5efd71847541e4fcc213585aad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/62f61129621ce7e05a6d24584660f79bf081b483"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42088.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42088"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42088.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H"}]}