{"id":"CVE-2026-89473","revision":"28753fd6257d4d9e8ae9387b25086902","records":[{"revision":"28753fd6257d4d9e8ae9387b25086902","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89473","aliases":[],"title":"power: supply: bq25890: Fix power_supply reference leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25890: Fix power_supply reference leak\n\nbq25890_fw_probe() acquires a reference to a secondary charger using\npower_supply_get_by_name(), but the reference is not released on later\nprobe failures or on driver detach.\n\nIn particular, failures after bq25890_fw_probe() returns successfully,\nsuch as a failure in bq25890_hw_init(), also leak the reference.\n\nRegister a device-managed cleanup action immediately after acquiring\nthe secondary charger. This releases the reference on all subsequent\nprobe failures and on driver detach.\n\nFound by code review.","state":0,"publishedAt":"2026-09-11T19:43:31.214+00:00","modifiedAt":"2026-10-19T08:47:22.219+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/power/supply/bq25890_charger.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d54bf877fd878ee45cbc88d399fb98b0b1c4484d\",\n                            \"lessThan\": \"976c10d883a02968f3f58be0cee499d1fd2ba68a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d54bf877fd878ee45cbc88d399fb98b0b1c4484d\",\n                            \"lessThan\": \"81b558afda9321c1a70971a39071d156f3e26950\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d54bf877fd878ee45cbc88d399fb98b0b1c4484d\",\n                            \"lessThan\": \"238320ad029a3eedabb86286a28cab55bca629b9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d54bf877fd878ee45cbc88d399fb98b0b1c4484d\",\n                            \"lessThan\": \"58f1025eca92734eadc063715b98f62538286468\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d54bf877fd878ee45cbc88d399fb98b0b1c4484d\",\n                            \"lessThan\": \"863c32a83e4235eb0cbf6106f2b124e645302156\",\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/power/supply/bq25890_charger.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.109\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\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/976c10d883a02968f3f58be0cee499d1fd2ba68a","https://git.kernel.org/stable/c/81b558afda9321c1a70971a39071d156f3e26950","https://git.kernel.org/stable/c/238320ad029a3eedabb86286a28cab55bca629b9","https://git.kernel.org/stable/c/58f1025eca92734eadc063715b98f62538286468","https://git.kernel.org/stable/c/863c32a83e4235eb0cbf6106f2b124e645302156"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89473","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89473","identifiers":["CVE-2026-89473"]},"retained":false,"historicalAffected":[]}],"coverage":[]}