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CVE-2024-42088 (GCVE-0-2024-42088)

Vulnerability from cvelistv5 – Published: 2024-07-29 16:26 – Updated: 2026-08-05 11:35
VLAI
Title
ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link
Summary
In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link Commit e70b8dd26711 ("ASoC: mediatek: mt8195: Remove afe-dai component and rework codec link") removed the codec entry for the ETDM1_OUT_BE dai link entirely instead of replacing it with COMP_EMPTY(). This worked by accident as the remaining COMP_EMPTY() platform entry became the codec entry, and the platform entry became completely empty, effectively the same as COMP_DUMMY() since snd_soc_fill_dummy_dai() doesn't do anything for 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.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:18 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 81051a495a9a23c0339d2ae1aa6e4477ed7268c8 , < 62f61129621ce7e05a6d24584660f79bf081b483 (git)
Affected: e70b8dd26711704b1ff1f1b4eb3d048ba69e29da , < 42b9ab7a4d7e6c5efd71847541e4fcc213585aad (git)
Affected: e70b8dd26711704b1ff1f1b4eb3d048ba69e29da , < 282a4482e198e03781c152c88aac8aa382ef9a55 (git)
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Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.9.8 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: mediatek: mt8195: Agregar entrada de plataforma para el enlace dai ETDM1_OUT_BE. La confirmaci\u00f3n e70b8dd26711 (\"ASoC: mediatek: mt8195: Eliminar el componente afe-dai y volver a trabajar el enlace del c\u00f3dec\") elimin\u00f3 la entrada del c\u00f3dec. para el enlace dai ETDM1_OUT_BE por completo en lugar de reemplazarlo con COMP_EMPTY(). Esto funcion\u00f3 por accidente ya que la entrada restante de la plataforma COMP_EMPTY() se convirti\u00f3 en la entrada del c\u00f3dec, y la entrada de la plataforma qued\u00f3 completamente vac\u00eda, efectivamente lo mismo que COMP_DUMMY() ya que snd_soc_fill_dummy_dai() no hace nada para las entradas de la plataforma. Esto provoca una advertencia de fuera de los l\u00edmites de KASAN en mtk_soundcard_common_probe() en sound/soc/mediatek/common/mtk-soundcard-driver.c: for_each_card_prelinks(card, i, dai_link) { if (adsp_node \u0026amp;\u0026amp; !strncmp(dai_link-\u0026gt; name, \"AFE_SOF\", strlen(\"AFE_SOF\")))  dai_link-\u0026gt;platforms-\u0026gt;of_node = adsp_node; else if (!!dai_link-\u0026gt;platforms-\u0026gt;name \u0026amp;\u0026amp; !dai_link-\u0026gt;platforms-\u0026gt;of_node) dai_link-\u0026gt;platforms-\u0026gt;of_node = platform_node;  } donde el c\u00f3digo espera que la matriz de plataformas tenga espacio para al menos una entrada. Agregue una entrada COMP_EMPTY() para que dai_link-\u0026gt;platforms tenga espacio."
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: mediatek: mt8195: Agregar entrada de plataforma para el enlace dai ETDM1_OUT_BE. La confirmaci\u00f3n e70b8dd26711 (\"ASoC: mediatek: mt8195: Eliminar el componente afe-dai y volver a trabajar el enlace del c\u00f3dec\") elimin\u00f3 la entrada del c\u00f3dec. para el enlace dai ETDM1_OUT_BE por completo en lugar de reemplazarlo con COMP_EMPTY(). Esto funcion\u00f3 por accidente ya que la entrada restante de la plataforma COMP_EMPTY() se convirti\u00f3 en la entrada del c\u00f3dec, y la entrada de la plataforma qued\u00f3 completamente vac\u00eda, efectivamente lo mismo que COMP_DUMMY() ya que snd_soc_fill_dummy_dai() no hace nada para las entradas de la plataforma. Esto provoca una advertencia de fuera de los l\u00edmites de KASAN en mtk_soundcard_common_probe() en sound/soc/mediatek/common/mtk-soundcard-driver.c: for_each_card_prelinks(card, i, dai_link) { if (adsp_node \u0026amp;\u0026amp; !strncmp(dai_link-\u0026gt; name, \"AFE_SOF\", strlen(\"AFE_SOF\")))  dai_link-\u0026gt;platforms-\u0026gt;of_node = adsp_node; else if (!!dai_link-\u0026gt;platforms-\u0026gt;name \u0026amp;\u0026amp; !dai_link-\u0026gt;platforms-\u0026gt;of_node) dai_link-\u0026gt;platforms-\u0026gt;of_node = platform_node;  } donde el c\u00f3digo espera que la matriz de plataformas tenga espacio para al menos una entrada. Agregue una entrada COMP_EMPTY() para que dai_link-\u0026gt;platforms tenga espacio."
          }
        ],
        "id": "CVE-2024-42088",
        "lastModified": "2026-08-04T11:19:32.567",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.5,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
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                "options": [
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                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:18:47.495476Z",
                "version": "2.0.3"
              }
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          ]
        },
        "published": "2024-07-29T17:15:11.457",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
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            "url": "https://git.kernel.org/stable/c/62f61129621ce7e05a6d24584660f79bf081b483"
          },
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          },
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              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/42b9ab7a4d7e6c5efd71847541e4fcc213585aad"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-129"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:42:26+00:00",
      "cve": "CVE-2024-42088",
      "id": "CVE-2024-42088",
      "initial_release_date": "2024-07-29T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ASoC: mediatek: mt8195: Add platform entry for ETDM1_OUT_BE dai link",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-42088.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T02:29:31Z",
      "cve": "CVE-2024-42088",
      "id": "CVE-2024-42088",
      "initial_release_date": "2024-08-06T02:00:12Z",
      "product_status:known_not_affected": "379",
      "product_status:recommended": "47",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-42088",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-42088.json",
      "version": "20"
    },
    "vulnrichment": {
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              "dateUpdated": "2024-08-02T04:54:32.140Z",
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            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/42b9ab7a4d7e6c5efd71847541e4fcc213585aad"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://git.kernel.org/stable/c/282a4482e198e03781c152c88aac8aa382ef9a55"
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            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-42088",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T16:18:47.495476Z",
                    "version": "2.0.3"
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                  "type": "ssvc"
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            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-11T12:42:19.769Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "sound/soc/mediatek/mt8195/mt8195-mt6359.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "62f61129621ce7e05a6d24584660f79bf081b483",
                  "status": "affected",
                  "version": "81051a495a9a23c0339d2ae1aa6e4477ed7268c8",
                  "versionType": "git"
                },
                {
                  "lessThan": "42b9ab7a4d7e6c5efd71847541e4fcc213585aad",
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                  "lessThan": "282a4482e198e03781c152c88aac8aa382ef9a55",
                  "status": "affected",
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            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "sound/soc/mediatek/mt8195/mt8195-mt6359.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.8"
                },
                {
                  "lessThan": "6.8",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.9.*",
                  "status": "unaffected",
                  "version": "6.9.8",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.10",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
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              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.9.8",
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                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                    }
                  ],
                  "negate": false,
                  "operator": "OR"
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          "descriptions": [
            {
              "lang": "en",
              "value": "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\u0027t 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 \u0026\u0026 !strncmp(dai_link-\u003ename, \"AFE_SOF\", strlen(\"AFE_SOF\")))\n\t\t\tdai_link-\u003eplatforms-\u003eof_node = adsp_node;\n\t\telse if (!dai_link-\u003eplatforms-\u003ename \u0026\u0026 !dai_link-\u003eplatforms-\u003eof_node)\n\t\t\tdai_link-\u003eplatforms-\u003eof_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-\u003eplatforms has space."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-08-03T09:32:21.797Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "cveMetadata": {
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        "assignerShortName": "Linux",
        "cveId": "CVE-2024-42088",
        "datePublished": "2024-07-29T16:26:28.523Z",
        "dateReserved": "2024-07-29T15:50:41.171Z",
        "dateUpdated": "2026-08-03T09:32:21.797Z",
        "state": "PUBLISHED"
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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