{"id":"CVE-2026-72120","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-72120","summary":"can: bcm: add missing rcu list annotations and operations","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: add missing rcu list annotations and operations\n\nsashiko-bot remarked the missing use of list_add_rcu() in\nbcm_[rx|tx]_setup() to have a proper initialized bcm_op structure\nwhen bcm_proc_show() traverses the bcm_op's under rcu_read_lock().\n\nTo cover all initial settings of the bcm_op's the list_add_rcu() calls\nare moved to the end of the setup code.\n\nWhile at it, also fix the mirroring removal side: bcm_release() called\nbcm_remove_op() - which frees the op via call_rcu() - on ops that were\nstill linked in bo->tx_ops/bo->rx_ops, without list_del_rcu() first.\nUnlink each op with list_del_rcu() before handing it to bcm_remove_op(),\nmatching the existing pattern in bcm_delete_tx_op()/bcm_delete_rx_op().","published":"2026-08-15T05:52:59.226Z","modified":"2026-08-16T03:48:32.404612222Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.261"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/30f7bb922cb7e7f072a56c7cb7a5efccd2ceca1d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4e22e8b505f877573bbdfdbcb680babad9b2f7a1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7b2c3eabc4dafc062a25e10711154f2107526a78"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8357255e56dc1aaa437e3c53ee9385de984e0d57"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8e1c7257c81577130f5ce90f69b2a2c3ce63f957"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b06a4a397ac826603f39875cb7c7819a41365196"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb1c26eab4d1f0b4450439b4b88c3e73faf1da98"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f53bdab85e64eb57d6899a30d1307fd5a3639cc7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72120.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72120"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-16T03:48:32.404612222Z"}}