{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43047", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.979Z", "datePublished": "2026-05-01T14:15:42.562Z", "dateUpdated": "2026-05-03T05:46:22.203Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-03T05:46:22.203Z"}, "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-multitouch.c"], "versions": [{"version": "6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095", "lessThan": "516da3f25cfe18643835af1cf09b0e9ffc36c383", "status": "affected", "versionType": "git"}, {"version": "6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095", "lessThan": "a61163daf8a90b4a7ef154d5fc9c525f665734e3", "status": "affected", "versionType": "git"}, {"version": "6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095", "lessThan": "74c6015375d8b9bc1b1eb79f20636c8e894bcad7", "status": "affected", "versionType": "git"}, {"version": "6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095", "lessThan": 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{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-43047", "lastModified": "2026-05-03T07:16:23.910", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-05-01T15:16:51.073", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2edc92f89eee328b5be5706b5d431bf90669e9c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/516da3f25cfe18643835af1cf09b0e9ffc36c383"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6a4acd3e86fe5584050c213d95147eba33856033"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f66fdbc077faed3b52519228d21d81979e92249"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a61163daf8a90b4a7ef154d5fc9c525f665734e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e716edafedad4952fe3a4a273d2e039a84e8681a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: HID: multitouch: Check to ensure report responses match the request", "id": "2464446", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464446"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1287", "details": ["A flaw was found in the Linux kernel's Human Interface Device (HID) multitouch subsystem. A malicious or improperly configured HID device can respond to a feature request with an incorrect report ID. This confusion in the HID core can lead to out-of-bounds writes, potentially allowing a local attacker to achieve arbitrary code execution or cause a denial of service."], "name": "CVE-2026-43047", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43047\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43047\nhttps://lore.kernel.org/linux-cve-announce/2026050105-CVE-2026-43047-13ab@gregkh/T"], "threat_severity": "Moderate"}