CVE-2023-54096 (GCVE-0-2023-54096)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06
VLAI?
Title
soundwire: fix enumeration completion
Summary
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. 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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175 , < 48d1d0ce0782f995fda678508fdae35c5e9593f0 (git)
Affected: fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175 , < a36b522767f3a72688893a472e80c9aa03e67eda (git)
Affected: fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175 , < e1d54962a63b6ec04ed0204a3ecca942fde3a6fe (git)
Affected: fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175 , < c5265691cd065464d795de5666dcfb89c26b9bc1 (git)
Affected: fb9469e54fa7a7b6a8137c40ae66c41b8d0ab175 , < c40d6b3249b11d60e09d81530588f56233d9aa44 (git)
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    Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.10.190 , ≤ 5.10.* (semver)
Unaffected: 5.15.126 , ≤ 5.15.* (semver)
Unaffected: 6.1.43 , ≤ 6.1.* (semver)
Unaffected: 6.4.8 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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{
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/soundwire/bus.c"
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          "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."
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      "providerMetadata": {
        "dateUpdated": "2025-12-24T13:06:23.828Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54096",
    "datePublished": "2025-12-24T13:06:23.828Z",
    "dateReserved": "2025-12-24T13:02:52.516Z",
    "dateUpdated": "2025-12-24T13:06:23.828Z",
    "state": "PUBLISHED"
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  }
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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