ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv

{
  "id": "cccc36986b0c8f8cccc3e575a9b1244ea287869617a524303e2b90d02b3e9633",
  "url": "https://osv.dev/vulnerability/CVE-2025-38662",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv Given mt8365_dai_set_priv allocate priv_size space to copy priv_data which means we should pass mt8365_i2s_priv[i] or \"struct mtk_afe_i2s_priv\" instead of afe_priv which has the size of \"struct mt8365_afe_private\". Otherwise the KASAN complains about. [ 59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm] ... [ 59.394789] Call trace: [ 59.395167] dump_backtrace+0xa0/0x128 [ 59.395733] show_stack+0x20/0x38 [ 59.396238] dump_stack_lvl+0xe8/0x148 [ 59.396806] print_report+0x37c/0x5e0 [ 59.397358] kasan_report+0xac/0xf8 [ 59.397885] kasan_check_range+0xe8/0x190 [ 59.398485] asan_memcpy+0x3c/0x98 [ 59.399022] mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm] [ 59.399928] mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm] [ 59.400893] mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm] [ 59.401873] platform_probe+0xcc/0x228 [ 59.402442] really_probe+0x340/0x9e8 [ 59.402992] driver_probe_device+0x16c/0x3f8 [ 59.403638] driver_probe_device+0x64/0x1d8 [ 59.404256] driver_attach+0x1dc/0x4c8 [ 59.404840] bus_for_each_dev+0x100/0x190 [ 59.405442] driver_attach+0x44/0x68 [ 59.405980] bus_add_driver+0x23c/0x500 [ 59.406550] driver_register+0xf8/0x3d0 [ 59.407122] platform_driver_register+0x68/0x98 [ 59.407810] mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]",
    "evidence": "osv:CVE-2025-38662",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.41",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.15.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-38662",
      "aliases": [
        "CVE-2025-38662"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "402bbb13a195caa83b3279ebecdabfb11ddee084"
                },
                {
                  "fixed": "1dc0ed16cfbc3c28a07a89904071cfa802fdcee1"
                },
                {
                  "fixed": "6e621dd99c57db916842865debaa65f20bbd6d8e"
                },
                {
                  "fixed": "6bea85979d05470e6416a2bb504a9bcd9178304c"
                }
              ]
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38662.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.12.0"
                },
                {
                  "fixed": "6.12.41"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.15.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38662.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.464632531Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1dc0ed16cfbc3c28a07a89904071cfa802fdcee1",
        "https://git.kernel.org/stable/c/6bea85979d05470e6416a2bb504a9bcd9178304c",
        "https://git.kernel.org/stable/c/6e621dd99c57db916842865debaa65f20bbd6d8e",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38662.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38662",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38662.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38662",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496985,
  "published_at": "2025-08-22T16:02:55.078+00:00"
}