{"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":"2026-05-11T22:07:59.185Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:07:59.185Z"},"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."}],"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/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","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"}]}]}],"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"}}}}