{"id":"CVE-2026-31401","summary":"HID: bpf: prevent buffer overflow in hid_hw_request","details":"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.","modified":"2026-07-15T01:48:55.198102545Z","published":"2026-04-03T15:16:04.903Z","related":["SUSE-SU-2026:22099-1","SUSE-SU-2026:22112-1","SUSE-SU-2026:22117-1","SUSE-SU-2026:22127-1","openSUSE-SU-2026:20965-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31401.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2b658c1c442ec1cd9eec5ead98d68662c40fe645"},{"type":"WEB","url":"https://git.kernel.org/stable/c/73c5b5aea1c443239c8cb4191b4af7a4bd6fd7b1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d6efaa50af62fb0790dd1fd4e7e5506b46312510"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb57dae20fdf6f3069cdc07821fa3bb46de381d7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31401.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31401"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8bd0488b5ea58655ad6fdcbe0408ef49b16882b1"},{"fixed":"d6efaa50af62fb0790dd1fd4e7e5506b46312510"},{"fixed":"73c5b5aea1c443239c8cb4191b4af7a4bd6fd7b1"},{"fixed":"eb57dae20fdf6f3069cdc07821fa3bb46de381d7"},{"fixed":"2b658c1c442ec1cd9eec5ead98d68662c40fe645"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31401.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.11.0"},{"fixed":"6.12.78"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.20"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31401.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}