{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31401", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.086Z", "datePublished": "2026-04-03T15:16:04.903Z", "dateUpdated": "2026-04-03T15:16:04.903Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-03T15:16:04.903Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: bpf: prevent buffer overflow in hid_hw_request\n\nright now the returned value is considered to be always valid. However,\nwhen playing with HID-BPF, the return value can be arbitrary big,\nbecause it's the return value of dispatch_hid_bpf_raw_requests(), which\ncalls the struct_ops and we have no guarantees that the value makes\nsense."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/bpf/hid_bpf_dispatch.c"], "versions": [{"version": "8bd0488b5ea58655ad6fdcbe0408ef49b16882b1", "lessThan": "d6efaa50af62fb0790dd1fd4e7e5506b46312510", "status": "affected", "versionType": "git"}, {"version": "8bd0488b5ea58655ad6fdcbe0408ef49b16882b1", "lessThan": "73c5b5aea1c443239c8cb4191b4af7a4bd6fd7b1", "status": "affected", "versionType": "git"}, {"version": "8bd0488b5ea58655ad6fdcbe0408ef49b16882b1", "lessThan": "eb57dae20fdf6f3069cdc07821fa3bb46de381d7", "status": "affected", "versionType": "git"}, {"version": "8bd0488b5ea58655ad6fdcbe0408ef49b16882b1", "lessThan": "2b658c1c442ec1cd9eec5ead98d68662c40fe645", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/bpf/hid_bpf_dispatch.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.20", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.10", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0-rc5", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.19.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.0-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d6efaa50af62fb0790dd1fd4e7e5506b46312510"}, {"url": "https://git.kernel.org/stable/c/73c5b5aea1c443239c8cb4191b4af7a4bd6fd7b1"}, {"url": "https://git.kernel.org/stable/c/eb57dae20fdf6f3069cdc07821fa3bb46de381d7"}, {"url": "https://git.kernel.org/stable/c/2b658c1c442ec1cd9eec5ead98d68662c40fe645"}], "title": "HID: bpf: prevent buffer overflow in hid_hw_request", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: bpf: prevent buffer overflow in hid_hw_request\n\nright now the returned value is considered to be always valid. However,\nwhen playing with HID-BPF, the return value can be arbitrary big,\nbecause it's the return value of dispatch_hid_bpf_raw_requests(), which\ncalls the struct_ops and we have no guarantees that the value makes\nsense."}], "id": "CVE-2026-31401", "lastModified": "2026-04-03T16:16:39.140", "metrics": {}, "published": "2026-04-03T16:16:39.140", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b658c1c442ec1cd9eec5ead98d68662c40fe645"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/73c5b5aea1c443239c8cb4191b4af7a4bd6fd7b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6efaa50af62fb0790dd1fd4e7e5506b46312510"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eb57dae20fdf6f3069cdc07821fa3bb46de381d7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

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{}