{"api_version":"1","generated_at":"2026-07-24T00:08:35+00:00","cve":"CVE-2026-63916","urls":{"html":"https://cve.report/CVE-2026-63916","api":"https://cve.report/api/cve/CVE-2026-63916.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63916","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63916"},"summary":{"title":"HID: wacom: Fix OOB write in wacom_hid_set_device_mode()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: Fix OOB write in wacom_hid_set_device_mode()\n\nwacom_hid_set_device_mode() currently assumes that the HID_DG_INPUTMODE\nusage is always located in the first field (field[0]) of the feature report.\nHowever, a device can specify HID_DG_INPUTMODE in a different field.\n\nIf HID_DG_INPUTMODE is in a field other than the first one and the first\nfield has a report_count smaller than the usage_index of HID_DG_INPUTMODE,\nthis leads to an out-of-bounds write to r->field[0]->value.\n\nFix this by storing the field index of HID_DG_INPUTMODE in 'struct\nhid_data' during feature mapping.  In wacom_hid_set_device_mode(), use\nthis stored field index to access the correct field and add bounds\nchecks to ensure both the field index and the value index are within\nvalid ranges before writing.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:09","updated_at":"2026-07-20 15:16:55"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/5716a293fb19d382ca2336e08fd28a619a5f3c25","name":"https://git.kernel.org/stable/c/5716a293fb19d382ca2336e08fd28a619a5f3c25","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5db3fca0cec7b33bc5379411d0a60d792c9f9bc0","name":"https://git.kernel.org/stable/c/5db3fca0cec7b33bc5379411d0a60d792c9f9bc0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b8338111e14183972359009c12d0dbd81d2e1e16","name":"https://git.kernel.org/stable/c/b8338111e14183972359009c12d0dbd81d2e1e16","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2add311d99646c9d235b2c44f9c169ba30f5db3a","name":"https://git.kernel.org/stable/c/2add311d99646c9d235b2c44f9c169ba30f5db3a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c0a8899e02ddebd51e2589835182c239c2e224ae","name":"https://git.kernel.org/stable/c/c0a8899e02ddebd51e2589835182c239c2e224ae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/83bd8a5756a3c4a413ed8f6253f9eb2821e1ccaf","name":"https://git.kernel.org/stable/c/83bd8a5756a3c4a413ed8f6253f9eb2821e1ccaf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ed598de9f61582902406d352d99f2073d8e00298","name":"https://git.kernel.org/stable/c/ed598de9f61582902406d352d99f2073d8e00298","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/43e7c02d6090a82fd60d63491f6871aec906345e","name":"https://git.kernel.org/stable/c/43e7c02d6090a82fd60d63491f6871aec906345e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-63916","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63916","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5ae6e89f7409cb5d218bb728326eba9c650d9700 2add311d99646c9d235b2c44f9c169ba30f5db3a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5ae6e89f7409cb5d218bb728326eba9c650d9700 83bd8a5756a3c4a413ed8f6253f9eb2821e1ccaf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5ae6e89f7409cb5d218bb728326eba9c650d9700 5716a293fb19d382ca2336e08fd28a619a5f3c25 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5ae6e89f7409cb5d218bb728326eba9c650d9700 ed598de9f61582902406d352d99f2073d8e00298 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: Fix OOB write in wacom_hid_set_device_mode()\n\nwacom_hid_set_device_mode() currently assumes that the HID_DG_INPUTMODE\nusage is always located in the first field (field[0]) of the feature report.\nHowever, a device can specify HID_DG_INPUTMODE in a different field.\n\nIf HID_DG_INPUTMODE is in a field other than the first one and the first\nfield has a report_count smaller than the usage_index of HID_DG_INPUTMODE,\nthis leads to an out-of-bounds write to r->field[0]->value.\n\nFix this by storing the field index of HID_DG_INPUTMODE in 'struct\nhid_data' during feature mapping.  In wacom_hid_set_device_mode(), use\nthis stored field index to access the correct field and add bounds\nchecks to ensure both the field index and the value index are within\nvalid ranges before writing."}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:41:26.033Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2add311d99646c9d235b2c44f9c169ba30f5db3a"},{"url":"https://git.kernel.org/stable/c/83bd8a5756a3c4a413ed8f6253f9eb2821e1ccaf"},{"url":"https://git.kernel.org/stable/c/5716a293fb19d382ca2336e08fd28a619a5f3c25"},{"url":"https://git.kernel.org/stable/c/ed598de9f61582902406d352d99f2073d8e00298"},{"url":"https://git.kernel.org/stable/c/43e7c02d6090a82fd60d63491f6871aec906345e"},{"url":"https://git.kernel.org/stable/c/b8338111e14183972359009c12d0dbd81d2e1e16"},{"url":"https://git.kernel.org/stable/c/5db3fca0cec7b33bc5379411d0a60d792c9f9bc0"},{"url":"https://git.kernel.org/stable/c/c0a8899e02ddebd51e2589835182c239c2e224ae"}],"title":"HID: wacom: Fix OOB write in wacom_hid_set_device_mode()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63916","datePublished":"2026-07-19T14:55:20.015Z","dateReserved":"2026-07-19T07:54:57.020Z","dateUpdated":"2026-07-20T13:41:26.033Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:09","lastModifiedDate":"2026-07-20 15:16:55","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63916","Ordinal":"1","Title":"HID: wacom: Fix OOB write in wacom_hid_set_device_mode()","CVE":"CVE-2026-63916","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63916","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: wacom: Fix OOB write in wacom_hid_set_device_mode()\n\nwacom_hid_set_device_mode() currently assumes that the HID_DG_INPUTMODE\nusage is always located in the first field (field[0]) of the feature report.\nHowever, a device can specify HID_DG_INPUTMODE in a different field.\n\nIf HID_DG_INPUTMODE is in a field other than the first one and the first\nfield has a report_count smaller than the usage_index of HID_DG_INPUTMODE,\nthis leads to an out-of-bounds write to r->field[0]->value.\n\nFix this by storing the field index of HID_DG_INPUTMODE in 'struct\nhid_data' during feature mapping.  In wacom_hid_set_device_mode(), use\nthis stored field index to access the correct field and add bounds\nchecks to ensure both the field index and the value index are within\nvalid ranges before writing.","Type":"Description","Title":"HID: wacom: Fix OOB write in wacom_hid_set_device_mode()"}]}}}