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CVE-2023-54096

Estado: AplazadaAlta (7.8)—

In the Linux kernel, the following vulnerability has been resolved:

soundwire: fix enumeration completion

The soundwire subsystem uses two completion structures that allow drivers to wait for soundwire device to become enumerated on the bus and initialised by their drivers, respectively.

The code implementing the signalling is currently broken as it does not signal all current and future waiters and also uses the wrong reinitialisation function, which can potentially lead to memory corruption if there are still waiters on the queue.

Not signalling future waiters specifically breaks sound card probe deferrals as codec drivers can not tell that the soundwire device is already attached when being reprobed.

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Some codec runtime PM implementations suffer from similar problems as waiting for enumeration during resume can also timeout despite the device already having been enumerated.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:L/PR:L sin UI indica escalada local; la corrupción de memoria en colas permite ejecución de código o denegación de servicio en el kernel de Linux.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution PreventionThreat Intelligence ProgramRestrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationFilter Network Traffic

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-54096",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175",
              "lessThan": "48d1d0ce0782f995fda678508fdae35c5e9593f0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175",
              "lessThan": "a36b522767f3a72688893a472e80c9aa03e67eda",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175",
              "lessThan": "e1d54962a63b6ec04ed0204a3ecca942fde3a6fe",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175",
              "lessThan": "c5265691cd065464d795de5666dcfb89c26b9bc1",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175",
              "lessThan": "c40d6b3249b11d60e09d81530588f56233d9aa44",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/soundwire/bus.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.7",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.190",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.126",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.43",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.4.8",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/soundwire/bus.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-12-24T13:16:11.487",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/48d1d0ce0782f995fda678508fdae35c5e9593f0",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a36b522767f3a72688893a472e80c9aa03e67eda",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c40d6b3249b11d60e09d81530588f56233d9aa44",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c5265691cd065464d795de5666dcfb89c26b9bc1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e1d54962a63b6ec04ed0204a3ecca942fde3a6fe",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoundwire: fix enumeration completion\n\nThe soundwire subsystem uses two completion structures that allow\ndrivers to wait for soundwire device to become enumerated on the bus and\ninitialised by their drivers, respectively.\n\nThe code implementing the signalling is currently broken as it does not\nsignal all current and future waiters and also uses the wrong\nreinitialisation function, which can potentially lead to memory\ncorruption if there are still waiters on the queue.\n\nNot signalling future waiters specifically breaks sound card probe\ndeferrals as codec drivers can not tell that the soundwire device is\nalready attached when being reprobed. Some codec runtime PM\nimplementations suffer from similar problems as waiting for enumeration\nduring resume can also timeout despite the device already having been\nenumerated."
    }
  ],
  "lastModified": "2026-08-04T10:19:29.030",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}