CVE-2022-50733 (GCVE-0-2022-50733)

Vulnerability from cvelistv5 – Published: 2025-12-24 12:22 – Updated: 2025-12-24 12:22
VLAI?
Title
usb: idmouse: fix an uninit-value in idmouse_open
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: idmouse: fix an uninit-value in idmouse_open In idmouse_create_image, if any ftip_command fails, it will go to the reset label. However, this leads to the data in bulk_in_buffer[HEADER..IMGSIZE] uninitialized. And the check for valid image incurs an uninitialized dereference. Fix this by moving the check before reset label since this check only be valid if the data after bulk_in_buffer[HEADER] has concrete data. Note that this is found by KMSAN, so only kernel compilation is tested.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b3304a6df957cc89a0590cb505388d659bf3db4c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7dad42032f68718259590b0cc7654e9a95ff9762 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f589b667567fde4f81d6e6c40f42b9f2224690ea (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1eae30c0113dde7522088231584d62415011a035 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < b8bbae3236ab7dccc66c42bc3f7cdbcfc0786e54 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 20b8c456df584ebb2387dc23d40ebe4ff334417c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6163a5ae097bc78fa26c243fb384537e25610fd7 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < adad163d1cff248a5df9f7cec50158e6ca89f33b (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < bce2b0539933e485d22d6f6f076c0fcd6f185c4c (git)
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    Linux Linux Unaffected: 4.9.331 , ≤ 4.9.* (semver)
Unaffected: 4.14.296 , ≤ 4.14.* (semver)
Unaffected: 4.19.262 , ≤ 4.19.* (semver)
Unaffected: 5.4.220 , ≤ 5.4.* (semver)
Unaffected: 5.10.150 , ≤ 5.10.* (semver)
Unaffected: 5.15.75 , ≤ 5.15.* (semver)
Unaffected: 5.19.17 , ≤ 5.19.* (semver)
Unaffected: 6.0.3 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: idmouse: fix an uninit-value in idmouse_open\n\nIn idmouse_create_image, if any ftip_command fails, it will\ngo to the reset label. However, this leads to the data in\nbulk_in_buffer[HEADER..IMGSIZE] uninitialized. And the check\nfor valid image incurs an uninitialized dereference.\n\nFix this by moving the check before reset label since this\ncheck only be valid if the data after bulk_in_buffer[HEADER]\nhas concrete data.\n\nNote that this is found by KMSAN, so only kernel compilation\nis tested."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T12:22:52.651Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/bce2b0539933e485d22d6f6f076c0fcd6f185c4c"
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      "title": "usb: idmouse: fix an uninit-value in idmouse_open",
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        "engine": "bippy-1.2.0"
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    "datePublished": "2025-12-24T12:22:52.651Z",
    "dateReserved": "2025-12-24T12:20:40.331Z",
    "dateUpdated": "2025-12-24T12:22:52.651Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2",
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  }
}


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  • 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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