CVE-2024-39292 (GCVE-0-2024-39292)
Vulnerability from cvelistv5
Published
2024-06-24 13:52
Modified
2026-08-05 11:33
Severity ?
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: um: Add winch to winch_handlers before registering winch IRQ Registering a winch IRQ is racy, an interrupt may occur before the winch is added to the winch_handlers list. If that happens, register_winch_irq() adds to that list a winch that is scheduled to be (or has already been) freed, causing a panic later in winch_cleanup(). Avoid the race by adding the winch to the winch_handlers list before registering the IRQ, and rolling back if um_request_irq() fails.
References
Impacted products
Vendor Product Version
Linux Linux Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
Version: 42a359e31a0e438b5b978a8f0fecdbd3c86bb033
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    "dateUpdated": "2026-08-05T11:33:22.163Z",
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before the winch is\\nadded to the winch_handlers list.\\n\\nIf that happens, register_winch_irq() adds to that list a winch that is\\nscheduled to be (or has already been) freed, causing a panic later in\\nwinch_cleanup().\\n\\nAvoid the race by adding the winch to the winch_handlers list before\\nregistering the IRQ, and rolling back if um_request_irq() fails.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.316\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.278\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.219\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.161\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.93\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.33\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.4\", \"versionStartIncluding\": \"2.6.23\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"2.6.23\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:16:11.229Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-39292\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-04T17:21:58.690Z\", \"dateReserved\": \"2024-06-21T11:16:40.627Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-24T13:52:26.769Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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