{"api_version":"1","generated_at":"2026-05-15T07:56:05+00:00","cve":"CVE-2026-43140","urls":{"html":"https://cve.report/CVE-2026-43140","api":"https://cve.report/api/cve/CVE-2026-43140.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43140","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43140"},"summary":{"title":"HID: magicmouse: Do not crash on missing msc->input","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: Do not crash on missing msc->input\n\nFake USB devices can send their own report descriptors for which the\ninput_mapping() hook does not get called.  In this case, msc->input stays NULL,\nleading to a crash at a later time.\n\nDetect this condition in the input_configured() hook and reject the device.\n\nThis is not supposed to happen with actual magic mouse devices, but can be\nprovoked by imposing as a magic mouse USB device.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:31","updated_at":"2026-05-13 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the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: Do not crash on missing msc->input\n\nFake USB devices can send their own report descriptors for which the\ninput_mapping() hook does not get called.  In this case, msc->input stays NULL,\nleading to a crash at a later time.\n\nDetect this condition in the input_configured() hook and reject the device.\n\nThis is not supposed to happen with actual magic mouse devices, but can be\nprovoked by imposing as a magic mouse USB device."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:18:31.955Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/db5ba06e7af9325519a03e52fccf4a9e7c1fd9b2"},{"url":"https://git.kernel.org/stable/c/165912d4321c692321c02793068d30700b4e0f1a"},{"url":"https://git.kernel.org/stable/c/f6a3860241fbb556fd72332fa31c5e787004413b"},{"url":"https://git.kernel.org/stable/c/243e1165eb03aca97d87aafa9c3130593837a1c2"},{"url":"https://git.kernel.org/stable/c/922bd3e498a4b8e445def6e6ffea2ad3682ad516"},{"url":"https://git.kernel.org/stable/c/5bbe266272d86c0657e8253600f3d5b74fb7b2ae"},{"url":"https://git.kernel.org/stable/c/36c83c1329dd881f290f7df2feadfb9a21775108"},{"url":"https://git.kernel.org/stable/c/17abd396548035fbd6179ee1a431bd75d49676a7"}],"title":"HID: magicmouse: Do not crash on missing msc->input","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43140","datePublished":"2026-05-06T11:27:25.536Z","dateReserved":"2026-05-01T14:12:55.988Z","dateUpdated":"2026-05-11T22:18:31.955Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:31","lastModifiedDate":"2026-05-13 20:56:43","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.10.252","matchCriteriaId":"3501E160-8CFB-4029-9B41-70DC384AF6E0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.202","matchCriteriaId":"4002FC2B-1456-4666-B240-0EBF590C4671"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.165","matchCriteriaId":"797C7F46-D0BE-4FB8-A502-C5EF8E6B6654"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.128","matchCriteriaId":"851E9353-6C09-4CC9-877E-E09DB164A3C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.75","matchCriteriaId":"BCE16369-98ED-41CF-8995-DFDC10B288D2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.16","matchCriteriaId":"B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.6","matchCriteriaId":"373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43140","Ordinal":"1","Title":"HID: magicmouse: Do not crash on missing msc->input","CVE":"CVE-2026-43140","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43140","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: Do not crash on missing msc->input\n\nFake USB devices can send their own report descriptors for which the\ninput_mapping() hook does not get called.  In this case, msc->input stays NULL,\nleading to a crash at a later time.\n\nDetect this condition in the input_configured() hook and reject the device.\n\nThis is not supposed to happen with actual magic mouse devices, but can be\nprovoked by imposing as a magic mouse USB device.","Type":"Description","Title":"HID: magicmouse: Do not crash on missing msc->input"}]}}}