{"id":"CVE-2026-90194","revision":"b63d670761c24eeca94814c6de47cd24","records":[{"revision":"b63d670761c24eeca94814c6de47cd24","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90194","aliases":[],"title":"ACPI: scan: fix bus ID cleanup on device_add() failures","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: scan: fix bus ID cleanup on device_add() failures\n\nWhen device_add() fails after acpi_device_set_name() has allocated an\ninstance ID and a new acpi_device_bus_id has been linked into\nacpi_bus_id_list, the rollback path only removes wakeup_list and\ndetaches the ACPI handle data.\n\nThat leaves the bus-ID bookkeeping behind and keeps the allocated\ninstance number consumed.\n\nMove the bus-ID cleanup and wakeup-list removal into a single helper.\n\nUse it from both the normal device teardown path and the device_add()\nrollback path. The wakeup list node is initialized before registration,\nso it can be deleted without checking whether the device is wakeup-\ncapable like in the original teardown path.\n\n[ rjw: Rename acpi_device_del_list() to acpi_device_cleanup() ]\n[ rjw: Subject and changelog edits ]","state":0,"publishedAt":"2026-09-17T16:07:14.317+00:00","modifiedAt":"2026-10-19T08:59:30.73+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/acpi/scan.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d783156ea38431b20af0d4f910a6f9f9054d33b9\",\n                            \"lessThan\": \"8cc2017aa804f157e717b5fd471e50fbddfec654\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d783156ea38431b20af0d4f910a6f9f9054d33b9\",\n                            \"lessThan\": \"f30379b8a4e24623594235dd5aefb2957e0cc228\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d783156ea38431b20af0d4f910a6f9f9054d33b9\",\n                            \"lessThan\": \"83ee65feadc88de681abc6e977d54eceda95abd7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d783156ea38431b20af0d4f910a6f9f9054d33b9\",\n                            \"lessThan\": \"15512c6b5dea72fb5f1f41c1aa96f3f32531ca03\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d783156ea38431b20af0d4f910a6f9f9054d33b9\",\n                            \"lessThan\": \"0b9053cd0955c7cd66d71a8442be33926d70e197\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d783156ea38431b20af0d4f910a6f9f9054d33b9\",\n                            \"lessThan\": \"a414485ebc2aa50907d0ce97cde2b1a353696897\",\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/acpi/scan.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\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\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\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/8cc2017aa804f157e717b5fd471e50fbddfec654","https://git.kernel.org/stable/c/f30379b8a4e24623594235dd5aefb2957e0cc228","https://git.kernel.org/stable/c/83ee65feadc88de681abc6e977d54eceda95abd7","https://git.kernel.org/stable/c/15512c6b5dea72fb5f1f41c1aa96f3f32531ca03","https://git.kernel.org/stable/c/0b9053cd0955c7cd66d71a8442be33926d70e197","https://git.kernel.org/stable/c/a414485ebc2aa50907d0ce97cde2b1a353696897"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90194","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90194","identifiers":["CVE-2026-90194"]},"retained":false,"historicalAffected":[]}],"coverage":[]}