{"id":"CVE-2026-72114","revision":"b8386ca708fa40e99e19621e52928ad3","records":[{"revision":"b8386ca708fa40e99e19621e52928ad3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72114","aliases":[],"title":"can: bcm: validate frame length in bcm_rx_setup() for RTR replies","description":"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->len 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.","state":0,"publishedAt":"2026-08-15T05:52:54.75+00:00","modifiedAt":"2026-10-16T18:44:56.572+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/can/bcm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"204f2b232717bc470ddb9e1da1d27dd9c6ef0caa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"e061624c0a86c3c26a2bf017e432fbc93ad68f3a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"7d966cdee006911d3957e1a4e72cb93c39cd8c1e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"1b475c0c72f44622a320a4386ce9e76f85e69bc7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"deb6a697cce3f021e731df543597f37a5e54caab\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"59bfddea64159594feb62ef11b7d7a33c8ee3783\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ffd980f976e7fd666c2e61bf8ab35107efd11828\",\n                            \"lessThan\": \"62ec41f364648be79d54d94d0d240ee326948afd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/can/bcm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.25\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.25\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.265\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.216\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.148\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.101\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.42\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce","https://git.kernel.org/stable/c/204f2b232717bc470ddb9e1da1d27dd9c6ef0caa","https://git.kernel.org/stable/c/e061624c0a86c3c26a2bf017e432fbc93ad68f3a","https://git.kernel.org/stable/c/7d966cdee006911d3957e1a4e72cb93c39cd8c1e","https://git.kernel.org/stable/c/1b475c0c72f44622a320a4386ce9e76f85e69bc7","https://git.kernel.org/stable/c/deb6a697cce3f021e731df543597f37a5e54caab","https://git.kernel.org/stable/c/59bfddea64159594feb62ef11b7d7a33c8ee3783","https://git.kernel.org/stable/c/62ec41f364648be79d54d94d0d240ee326948afd"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72114","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72114","identifiers":["CVE-2026-72114"]},"retained":false,"historicalAffected":[]}],"coverage":[]}