{"id":"CVE-2026-98397","summary":"platform/x86: x86-android-tablets: hold device reference for secondary fwnode teardown","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: x86-android-tablets: hold device reference for secondary fwnode teardown\n\nIn gpio_secondary_fwnode_init(), acpi_bus_find_device_by_name() returns a\ndevice reference, but the local dev variable is declared with\n__free(put_device), dropping the reference at the end of each iteration.\nMeanwhile, devm_add_action_or_reset() saves the dev pointer for\ngpio_secondary_unset() without incrementing its reference count, which\ncould lead to a use-after-free during driver teardown if the device is\nreleased in the interim.\n\nAcquire an explicit device reference with get_device() when registering\nthe devres action, and drop it with put_device() inside\ngpio_secondary_unset().","modified":"2026-10-15T02:47:42.055740366Z","published":"2026-10-14T13:25:59.081Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98397.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/144113b0a70fa18033a747ee5db6803308f7688c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c62b6e081119f2ab03cfcafde1f83c0f50e8e726"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98397.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98397"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1448c2d2ca5cc7f4ea6694e6bc809946de0a751c"},{"fixed":"c62b6e081119f2ab03cfcafde1f83c0f50e8e726"},{"fixed":"144113b0a70fa18033a747ee5db6803308f7688c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98397.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.2.0"},{"fixed":"7.2.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98397.json"}}],"schema_version":"1.9.0"}