CVE-2026-43372 (GCVE-0-2026-43372)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-08 14:21
VLAI?
Title
net: dsa: microchip: Fix error path in PTP IRQ setup
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Fix error path in PTP IRQ setup If request_threaded_irq() fails during the PTP message IRQ setup, the newly created IRQ mapping is never disposed. Indeed, the ksz_ptp_irq_setup()'s error path only frees the mappings that were successfully set up. Dispose the newly created mapping if the associated request_threaded_irq() fails at setup.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3b5a6115d6ea45df1ea65dc9b832b23db5d593ba , < 3704ac6a0d9a78f66a187515a8ca3faedaf01cc5 (git)
Affected: 1ba6da6ca3db76f6a39004fd33a9c990e428515e , < e80fef36c676c947072dabeb5803ae59d92ba493 (git)
Affected: d0b8fec8ae50525b57139393d0bb1f446e82ff7e , < 6c58a9fdb0d0e1011aa02455d26d6ebea251979b (git)
Affected: d0b8fec8ae50525b57139393d0bb1f446e82ff7e , < c2d1d41e0e8ec447d40a5752844fc5fb0b23db27 (git)
Affected: d0b8fec8ae50525b57139393d0bb1f446e82ff7e , < 99c8c16a4aad0b37293cae213e15957c573cf79b (git)
Affected: ae12e4e0ca231475bcef841c6a6722fa185fd520 (git)
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    Linux Linux Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.19 , ≤ 6.18.* (semver)
Unaffected: 6.19.9 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/dsa/microchip/ksz_ptp.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Fix error path in PTP IRQ setup\n\nIf request_threaded_irq() fails during the PTP message IRQ setup, the\nnewly created IRQ mapping is never disposed. Indeed, the\nksz_ptp_irq_setup()\u0027s error path only frees the mappings that were\nsuccessfully set up.\n\nDispose the newly created mapping if the associated\nrequest_threaded_irq() fails at setup."
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      "providerMetadata": {
        "dateUpdated": "2026-05-08T14:21:23.221Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2026-05-08T14:21:23.221Z",
    "dateReserved": "2026-05-01T14:12:56.006Z",
    "dateUpdated": "2026-05-08T14:21:23.221Z",
    "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.

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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.
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  • 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.



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