Vulnerability-Lookup

FKIE_CVE-2025-38056

Vulnerability from fkie_nvd - Published: 2025-06-18 10:15 - Updated: 2026-06-17 09:15

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: Fix UAF when reloading module hda_generic_machine_select() appends -idisp to the tplg filename by allocating a new string with devm_kasprintf(), then stores the string right back into the global variable snd_soc_acpi_intel_hda_machines. When the module is unloaded, this memory is freed, resulting in a global variable pointing to freed memory. Reloading the module then triggers a use-after-free: BUG: KFENCE: use-after-free read in string+0x48/0xe0 Use-after-free read at 0x00000000967e0109 (in kfence-#99): string+0x48/0xe0 vsnprintf+0x329/0x6e0 devm_kvasprintf+0x54/0xb0 devm_kasprintf+0x58/0x80 hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic] sof_probe_work+0x7f/0x600 [snd_sof] process_one_work+0x17b/0x330 worker_thread+0x2ce/0x3f0 kthread+0xcf/0x100 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x1a/0x30 kfence-#99: 0x00000000198a940f-0x00000000ace47d9d, size=64, cache=kmalloc-64 allocated by task 333 on cpu 8 at 17.798069s (130.453553s ago): devm_kmalloc+0x52/0x120 devm_kvasprintf+0x66/0xb0 devm_kasprintf+0x58/0x80 hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic] sof_probe_work+0x7f/0x600 [snd_sof] process_one_work+0x17b/0x330 worker_thread+0x2ce/0x3f0 kthread+0xcf/0x100 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x1a/0x30 freed by task 1543 on cpu 4 at 141.586686s (6.665010s ago): release_nodes+0x43/0xb0 devres_release_all+0x90/0xf0 device_unbind_cleanup+0xe/0x70 device_release_driver_internal+0x1c1/0x200 driver_detach+0x48/0x90 bus_remove_driver+0x6d/0xf0 pci_unregister_driver+0x42/0xb0 __do_sys_delete_module+0x1d1/0x310 do_syscall_64+0x82/0x190 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix it by copying the match array with devm_kmemdup_array() before we modify it.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2b49e68360eb6a1c03dc1642a51f7d9f6784c034	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7dd7f39fce0022b386ef1ea5ffef92ecc7dfc6af	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f9670b2e81e8a3cbf2e1e757190dd0b920a9d43f	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15
linux	linux_kernel	6.15

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "sound/soc/sof/intel/hda.c"
          ],
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          "vendor": "Linux",
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        {
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          "programFiles": [
            "sound/soc/sof/intel/hda.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.31",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
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        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: Intel: hda: Fix UAF when reloading module\n\nhda_generic_machine_select() appends -idisp to the tplg filename by\nallocating a new string with devm_kasprintf(), then stores the string\nright back into the global variable snd_soc_acpi_intel_hda_machines.\nWhen the module is unloaded, this memory is freed, resulting in a global\nvariable pointing to freed memory.  Reloading the module then triggers\na use-after-free:\n\nBUG: KFENCE: use-after-free read in string+0x48/0xe0\n\nUse-after-free read at 0x00000000967e0109 (in kfence-#99):\n string+0x48/0xe0\n vsnprintf+0x329/0x6e0\n devm_kvasprintf+0x54/0xb0\n devm_kasprintf+0x58/0x80\n hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic]\n sof_probe_work+0x7f/0x600 [snd_sof]\n process_one_work+0x17b/0x330\n worker_thread+0x2ce/0x3f0\n kthread+0xcf/0x100\n ret_from_fork+0x31/0x50\n ret_from_fork_asm+0x1a/0x30\n\nkfence-#99: 0x00000000198a940f-0x00000000ace47d9d, size=64, cache=kmalloc-64\n\nallocated by task 333 on cpu 8 at 17.798069s (130.453553s ago):\n devm_kmalloc+0x52/0x120\n devm_kvasprintf+0x66/0xb0\n devm_kasprintf+0x58/0x80\n hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic]\n sof_probe_work+0x7f/0x600 [snd_sof]\n process_one_work+0x17b/0x330\n worker_thread+0x2ce/0x3f0\n kthread+0xcf/0x100\n ret_from_fork+0x31/0x50\n ret_from_fork_asm+0x1a/0x30\n\nfreed by task 1543 on cpu 4 at 141.586686s (6.665010s ago):\n release_nodes+0x43/0xb0\n devres_release_all+0x90/0xf0\n device_unbind_cleanup+0xe/0x70\n device_release_driver_internal+0x1c1/0x200\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x42/0xb0\n __do_sys_delete_module+0x1d1/0x310\n do_syscall_64+0x82/0x190\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nFix it by copying the match array with devm_kmemdup_array() before we\nmodify it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: SOF: Intel: hda: Se corrige el UAF al recargar el m\u00f3dulo. hda_generic_machine_select() a\u00f1ade -idisp al nombre de archivo tplg asignando una nueva cadena con devm_kasprintf() y luego la almacena directamente en la variable global snd_soc_acpi_intel_hda_machines. Al descargar el m\u00f3dulo, se libera esta memoria, lo que genera una variable global que apunta a la memoria liberada. Recargar el m\u00f3dulo luego activa un use-after-free: ERROR: KFENCE: use-after-free read in string+0x48/0xe0 Use-after-free read at 0x00000000967e0109 (in kfence-#99): string+0x48/0xe0 vsnprintf+0x329/0x6e0 devm_kvasprintf+0x54/0xb0 devm_kasprintf+0x58/0x80 hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic] sof_probe_work+0x7f/0x600 [snd_sof] process_one_work+0x17b/0x330 worker_thread+0x2ce/0x3f0 kthread+0xcf/0x100 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x1a/0x30 kfence-#99: 0x00000000198a940f-0x00000000ace47d9d, size=64, cache=kmalloc-64 allocated by task 333 on cpu 8 at 17.798069s (130.453553s ago): devm_kmalloc+0x52/0x120 devm_kvasprintf+0x66/0xb0 devm_kasprintf+0x58/0x80 hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic] sof_probe_work+0x7f/0x600 [snd_sof] process_one_work+0x17b/0x330 worker_thread+0x2ce/0x3f0 kthread+0xcf/0x100 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x1a/0x30 freed by task 1543 on cpu 4 at 141.586686s (6.665010s ago): release_nodes+0x43/0xb0 devres_release_all+0x90/0xf0 device_unbind_cleanup+0xe/0x70 device_release_driver_internal+0x1c1/0x200 driver_detach+0x48/0x90 bus_remove_driver+0x6d/0xf0 pci_unregister_driver+0x42/0xb0 __do_sys_delete_module+0x1d1/0x310 do_syscall_64+0x82/0x190 entry_SYSCALL_64_after_hwframe+0x76/0x7e Corr\u00edjalo copiando la matriz de coincidencia con devm_kmemdup_array() antes de modificarla."
    }
  ],
  "id": "CVE-2025-38056",
  "lastModified": "2026-06-17T09:15:57.970",
  "metrics": {
    "cvssMetricV31": [
      {
        "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"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  "published": "2025-06-18T10:15:38.340",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2025-38056 (GCVE-0-2025-38056)

Vulnerability from cvelistv5 – Published: 2025-06-18 09:33 – Updated: 2026-05-11 21:20

Title

ASoC: SOF: Intel: hda: Fix UAF when reloading module

Summary

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6971 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/2b49e68360eb6a1c0…
https://git.kernel.org/stable/c/f9670b2e81e8a3cbf…
https://git.kernel.org/stable/c/7dd7f39fce0022b38…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 5458411d75947a4212e50a401ec0a98d4c6c931b , < 2b49e68360eb6a1c03dc1642a51f7d9f6784c034 (git) Affected: 5458411d75947a4212e50a401ec0a98d4c6c931b , < f9670b2e81e8a3cbf2e1e757190dd0b920a9d43f (git) Affected: 5458411d75947a4212e50a401ec0a98d4c6c931b , < 7dd7f39fce0022b386ef1ea5ffef92ecc7dfc6af (git)
Linux	Linux	Affected: 6.12 Unaffected: 0 , < 6.12 (semver) Unaffected: 6.12.31 , ≤ 6.12.* (semver) Unaffected: 6.14.9 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "sound/soc/sof/intel/hda.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2b49e68360eb6a1c03dc1642a51f7d9f6784c034",
              "status": "affected",
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            {
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              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "7dd7f39fce0022b386ef1ea5ffef92ecc7dfc6af",
              "status": "affected",
              "version": "5458411d75947a4212e50a401ec0a98d4c6c931b",
              "versionType": "git"
            }
          ]
        },
        {
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          "product": "Linux",
          "programFiles": [
            "sound/soc/sof/intel/hda.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
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              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.14.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "vulnerable": true
                },
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: Intel: hda: Fix UAF when reloading module\n\nhda_generic_machine_select() appends -idisp to the tplg filename by\nallocating a new string with devm_kasprintf(), then stores the string\nright back into the global variable snd_soc_acpi_intel_hda_machines.\nWhen the module is unloaded, this memory is freed, resulting in a global\nvariable pointing to freed memory.  Reloading the module then triggers\na use-after-free:\n\nBUG: KFENCE: use-after-free read in string+0x48/0xe0\n\nUse-after-free read at 0x00000000967e0109 (in kfence-#99):\n string+0x48/0xe0\n vsnprintf+0x329/0x6e0\n devm_kvasprintf+0x54/0xb0\n devm_kasprintf+0x58/0x80\n hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic]\n sof_probe_work+0x7f/0x600 [snd_sof]\n process_one_work+0x17b/0x330\n worker_thread+0x2ce/0x3f0\n kthread+0xcf/0x100\n ret_from_fork+0x31/0x50\n ret_from_fork_asm+0x1a/0x30\n\nkfence-#99: 0x00000000198a940f-0x00000000ace47d9d, size=64, cache=kmalloc-64\n\nallocated by task 333 on cpu 8 at 17.798069s (130.453553s ago):\n devm_kmalloc+0x52/0x120\n devm_kvasprintf+0x66/0xb0\n devm_kasprintf+0x58/0x80\n hda_machine_select.cold+0x198/0x17a2 [snd_sof_intel_hda_generic]\n sof_probe_work+0x7f/0x600 [snd_sof]\n process_one_work+0x17b/0x330\n worker_thread+0x2ce/0x3f0\n kthread+0xcf/0x100\n ret_from_fork+0x31/0x50\n ret_from_fork_asm+0x1a/0x30\n\nfreed by task 1543 on cpu 4 at 141.586686s (6.665010s ago):\n release_nodes+0x43/0xb0\n devres_release_all+0x90/0xf0\n device_unbind_cleanup+0xe/0x70\n device_release_driver_internal+0x1c1/0x200\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x42/0xb0\n __do_sys_delete_module+0x1d1/0x310\n do_syscall_64+0x82/0x190\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nFix it by copying the match array with devm_kmemdup_array() before we\nmodify it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:20:25.079Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/7dd7f39fce0022b386ef1ea5ffef92ecc7dfc6af"
        }
      ],
      "title": "ASoC: SOF: Intel: hda: Fix UAF when reloading module",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38056",
    "datePublished": "2025-06-18T09:33:36.482Z",
    "dateReserved": "2025-04-16T04:51:23.979Z",
    "dateUpdated": "2026-05-11T21:20:25.079Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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