{"id":"CVE-2026-63916","revision":"be34f43bd8cf4ed9acaaca2cc37c4308","records":[{"revision":"be34f43bd8cf4ed9acaaca2cc37c4308","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-63916","aliases":[],"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":0,"publishedAt":"2026-07-19T14:55:20.015+00:00","modifiedAt":"2026-10-19T20:17:55.788+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/hid/wacom_sys.c\",\n                        \"drivers/hid/wacom_wac.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"2add311d99646c9d235b2c44f9c169ba30f5db3a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"83bd8a5756a3c4a413ed8f6253f9eb2821e1ccaf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"5716a293fb19d382ca2336e08fd28a619a5f3c25\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"ed598de9f61582902406d352d99f2073d8e00298\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"43e7c02d6090a82fd60d63491f6871aec906345e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"b8338111e14183972359009c12d0dbd81d2e1e16\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"5db3fca0cec7b33bc5379411d0a60d792c9f9bc0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5ae6e89f7409cb5d218bb728326eba9c650d9700\",\n                            \"lessThan\": \"c0a8899e02ddebd51e2589835182c239c2e224ae\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/hid/wacom_sys.c\",\n                        \"drivers/hid/wacom_wac.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.18\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.259\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.210\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.176\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.143\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.93\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.35\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.12\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/2add311d99646c9d235b2c44f9c169ba30f5db3a","https://git.kernel.org/stable/c/83bd8a5756a3c4a413ed8f6253f9eb2821e1ccaf","https://git.kernel.org/stable/c/5716a293fb19d382ca2336e08fd28a619a5f3c25","https://git.kernel.org/stable/c/ed598de9f61582902406d352d99f2073d8e00298","https://git.kernel.org/stable/c/43e7c02d6090a82fd60d63491f6871aec906345e","https://git.kernel.org/stable/c/b8338111e14183972359009c12d0dbd81d2e1e16","https://git.kernel.org/stable/c/5db3fca0cec7b33bc5379411d0a60d792c9f9bc0","https://git.kernel.org/stable/c/c0a8899e02ddebd51e2589835182c239c2e224ae"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63916","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-63916","identifiers":["CVE-2026-63916"]},"retained":false,"historicalAffected":[]}],"coverage":[]}