{"id":"CVE-2026-74460","summary":"can: ems_usb: validate CPC message lengths","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ems_usb: validate CPC message lengths\n\nems_usb_read_bulk_callback() walks CPC messages packed in one USB\nreceive buffer.\n\nCheck that each declared message fits in the URB payload. Also require the\ntype-specific payload to cover the fields used by the CAN, state, error and\noverrun handlers.","modified":"2026-10-05T02:31:02.636484655Z","published":"2026-08-15T12:27:01.274Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74460.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/02925f51377f2a42a6724f00549167499c9302e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0b23144c59c126beb4a7761a85a194ae0fe668a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0b9090717c7e2184e2c427bbcc752f295116ac1d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1c380a332e342b7d58c86c4f556cb0823b16a9b8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ce8125566b1d0b0f16449407e014addf451804ea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/db5655287d78f00daf98888a520bb8da4d30126d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df3ac2a672a5284441f120d486acabdd6740fc2a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74460.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74460"},{"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":"702171adeed3607ee9603ec30ce081411e36ae42"},{"fixed":"1c380a332e342b7d58c86c4f556cb0823b16a9b8"},{"fixed":"bb3cc8da8a2967c0f8e83d148fc6870b19fa32c6"},{"fixed":"db5655287d78f00daf98888a520bb8da4d30126d"},{"fixed":"ce8125566b1d0b0f16449407e014addf451804ea"},{"fixed":"0b9090717c7e2184e2c427bbcc752f295116ac1d"},{"fixed":"0b23144c59c126beb4a7761a85a194ae0fe668a5"},{"fixed":"df3ac2a672a5284441f120d486acabdd6740fc2a"},{"fixed":"02925f51377f2a42a6724f00549167499c9302e5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74460.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.32"},{"fixed":"5.10.271"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.216"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.183"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.151"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.103"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74460.json"}}],"schema_version":"1.9.0"}