{"id":"CVE-2026-72114","summary":"can: bcm: validate frame length in bcm_rx_setup() for RTR replies","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: validate frame length in bcm_rx_setup() for RTR replies\n\nbcm_tx_setup() validates cf-\u003elen against the CAN/CAN FD DLC limits\nbefore installing frames for TX_SETUP, but bcm_rx_setup() never did\nthe same for the RTR-reply frame configured via RX_SETUP with\nRX_RTR_FRAME.","modified":"2026-08-20T03:55:05.164487072Z","published":"2026-08-15T05:52:54.750Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72114.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1b475c0c72f44622a320a4386ce9e76f85e69bc7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/204f2b232717bc470ddb9e1da1d27dd9c6ef0caa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/59bfddea64159594feb62ef11b7d7a33c8ee3783"},{"type":"WEB","url":"https://git.kernel.org/stable/c/62ec41f364648be79d54d94d0d240ee326948afd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d966cdee006911d3957e1a4e72cb93c39cd8c1e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/deb6a697cce3f021e731df543597f37a5e54caab"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e061624c0a86c3c26a2bf017e432fbc93ad68f3a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72114.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72114"},{"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":"ffd980f976e7fd666c2e61bf8ab35107efd11828"},{"fixed":"cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce"},{"fixed":"204f2b232717bc470ddb9e1da1d27dd9c6ef0caa"},{"fixed":"e061624c0a86c3c26a2bf017e432fbc93ad68f3a"},{"fixed":"7d966cdee006911d3957e1a4e72cb93c39cd8c1e"},{"fixed":"1b475c0c72f44622a320a4386ce9e76f85e69bc7"},{"fixed":"deb6a697cce3f021e731df543597f37a5e54caab"},{"fixed":"59bfddea64159594feb62ef11b7d7a33c8ee3783"},{"fixed":"62ec41f364648be79d54d94d0d240ee326948afd"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72114.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.25"},{"fixed":"5.10.265"}]},{"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":"6.6.148"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.101"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.42"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72114.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}