fkie_cve-2025-21923
Vulnerability from fkie_nvd
Published
2025-04-01 16:15
Modified
2025-04-16 14:15
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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: HID: hid-steam: Fix use-after-free when detaching device When a hid-steam device is removed it must clean up the client_hdev used for intercepting hidraw access. This can lead to scheduling deferred work to reattach the input device. Though the cleanup cancels the deferred work, this was done before the client_hdev itself is cleaned up, so it gets rescheduled. This patch fixes the ordering to make sure the deferred work is properly canceled.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/026714ec7546de741826324a6a1914c91024d06cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a899adf7063c6745aaff1ec869f3c7f6329ed0a1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e53fc232a65f7488ab75d03a5b95f06aaada7262Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ea3f18d2f02629653b7bfe42607737ccd1343e54Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B6327145-7029-4360-8061-5CC9CFB6C2FA",
              "versionEndExcluding": "6.6.83",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hid-steam: Fix use-after-free when detaching device\n\nWhen a hid-steam device is removed it must clean up the client_hdev used for\nintercepting hidraw access. This can lead to scheduling deferred work to\nreattach the input device. Though the cleanup cancels the deferred work, this\nwas done before the client_hdev itself is cleaned up, so it gets rescheduled.\nThis patch fixes the ordering to make sure the deferred work is properly\ncanceled."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: hid-steam: Se corrige el error \"use-after-free\" al desconectar el dispositivo. Al desconectar un dispositivo hid-steam, este debe limpiar el archivo client_hdev utilizado para interceptar el acceso a hidraw. Esto puede provocar la programaci\u00f3n de un trabajo diferido para volver a conectar el dispositivo de entrada. Aunque la limpieza cancela el trabajo diferido, esto se realiz\u00f3 antes de que se limpiara el archivo client_hdev, por lo que se reprograma. Este parche corrige el orden para garantizar que el trabajo diferido se cancele correctamente."
    }
  ],
  "id": "CVE-2025-21923",
  "lastModified": "2025-04-16T14:15:23.333",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
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          "confidentialityImpact": "HIGH",
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2025-04-01T16:15:23.007",
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  "vulnStatus": "Modified",
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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}


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