{"id":"CVE-2026-43047","revision":null,"records":[{"revision":"e4c399cf5d914de2913e05c16c75f4ea","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43047","aliases":[],"title":"HID: multitouch: Check to ensure report responses match the request","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: multitouch: Check to ensure report responses match the request\n\nIt is possible for a malicious (or clumsy) device to respond to a\nspecific report's feature request using a completely different report\nID. This can cause confusion in the HID core resulting in nasty\nside-effects such as OOB writes.\n\nAdd a check to ensure that the report ID in the response, matches the\none that was requested. If it doesn't, omit reporting the raw event and\nreturn early.","state":0,"publishedAt":"2026-05-01T14:15:42.562+00:00","modifiedAt":"2026-10-19T19:06:11.151+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/hid-multitouch.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"516da3f25cfe18643835af1cf09b0e9ffc36c383\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"a61163daf8a90b4a7ef154d5fc9c525f665734e3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"74c6015375d8b9bc1b1eb79f20636c8e894bcad7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"c7a27bb4d0f6573ca0f9c7ef0b63291486239190\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"6a4acd3e86fe5584050c213d95147eba33856033\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"7f66fdbc077faed3b52519228d21d81979e92249\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"2edc92f89eee328b5be5706b5d431bf90669e9c0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095\",\n \"lessThan\": \"e716edafedad4952fe3a4a273d2e039a84e8681a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"fee906f035f0bd18ff12d84d58766c44a2ab0918\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4.3.6\",\n \"lessThan\": \"4.4\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\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/hid-multitouch.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.4\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.4\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.253\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.203\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.168\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.134\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.81\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.22\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.12\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/516da3f25cfe18643835af1cf09b0e9ffc36c383","https://git.kernel.org/stable/c/a61163daf8a90b4a7ef154d5fc9c525f665734e3","https://git.kernel.org/stable/c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7","https://git.kernel.org/stable/c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190","https://git.kernel.org/stable/c/6a4acd3e86fe5584050c213d95147eba33856033","https://git.kernel.org/stable/c/7f66fdbc077faed3b52519228d21d81979e92249","https://git.kernel.org/stable/c/2edc92f89eee328b5be5706b5d431bf90669e9c0","https://git.kernel.org/stable/c/e716edafedad4952fe3a4a273d2e039a84e8681a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43047","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43047","identifiers":["CVE-2026-43047"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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