{"id":"CVE-2026-97972","revision":"f33d14d9698d48d0a7152d2adf20f6e3","records":[{"revision":"f33d14d9698d48d0a7152d2adf20f6e3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-97972","aliases":[],"title":"net: macb: put the \"mdio\" child node reference on success","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: put the \"mdio\" child node reference on success\n\nmacb_mii_init() holds the reference returned by of_get_child_by_name()\nfor macb_mdiobus_register() and drops it only on the error paths, so\nevery successful probe leaks a node reference. On a CM5, overlay\nremoval after four bind cycles reports\n\n  OF: ERROR: memory leak, expected refcount 1 instead of 5\n\nDrop the reference after registration, where __mdiobus_register() has\nalready taken its own for the lifetime of the bus.","state":0,"publishedAt":"2026-09-25T10:23:12.139+00:00","modifiedAt":"2026-10-19T09:11:38.115+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                        \"drivers/net/ethernet/cadence/macb_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8a6631f1cece09047fa44608d21d520ca65ce7d8\",\n                            \"lessThan\": \"5fba30080d298edb742396073372385c961578d3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a6631f1cece09047fa44608d21d520ca65ce7d8\",\n                            \"lessThan\": \"7d60dc7ff85b73a2119d582ca2d4456b30960380\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8a6631f1cece09047fa44608d21d520ca65ce7d8\",\n                            \"lessThan\": \"382a373d9ea7a6ac4de9c022385b6217f65ae3cc\",\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                        \"drivers/net/ethernet/cadence/macb_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/5fba30080d298edb742396073372385c961578d3","https://git.kernel.org/stable/c/7d60dc7ff85b73a2119d582ca2d4456b30960380","https://git.kernel.org/stable/c/382a373d9ea7a6ac4de9c022385b6217f65ae3cc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-97972","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-97972","identifiers":["CVE-2026-97972"]},"retained":false,"historicalAffected":[]}],"coverage":[]}