{"id":"CVE-2022-49845","summary":"can: j1939: j1939_send_one(): fix missing CAN header initialization","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: j1939_send_one(): fix missing CAN header initialization\n\nThe read access to struct canxl_frame::len inside of a j1939 created\nskbuff revealed a missing initialization of reserved and later filled\nelements in struct can_frame.\n\nThis patch initializes the 8 byte CAN header with zero.","modified":"2026-04-11T12:44:36.194537Z","published":"2025-05-01T14:09:59.718Z","related":["ALSA-2025:20518","SUSE-SU-2025:01918-1","SUSE-SU-2025:01966-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02262-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49845.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49845.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49845"},{"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":"9d71dd0c70099914fcd063135da3c580865e924c"},{"fixed":"d0513b095e1ef1469718564dec3fb3348556d0a8"},{"fixed":"f8e0edeaa0f2b860bdbbf0aafb4492533043d650"},{"fixed":"69e86c6268d59ceddd0abe9ae8f1f5296f316c3c"},{"fixed":"2719f82ad5d8199cf5f346ea8bb3998ad5323b72"},{"fixed":"3eb3d283e8579a22b81dd2ac3987b77465b2a22f"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49845.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.4.0"},{"fixed":"5.4.225"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.155"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.79"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.0.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49845.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:N/I:N/A:H"}]}