{"id":"CVE-2026-31759","summary":"usb: ulpi: fix double free in ulpi_register_interface() error path","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: ulpi: fix double free in ulpi_register_interface() error path\n\nWhen device_register() fails, ulpi_register() calls put_device() on\nulpi-\u003edev.\n\nThe device release callback ulpi_dev_release() drops the OF node\nreference and frees ulpi, but the current error path in\nulpi_register_interface() then calls kfree(ulpi) again, causing a\ndouble free.\n\nLet put_device() handle the cleanup through ulpi_dev_release() and\navoid freeing ulpi again in ulpi_register_interface().","modified":"2026-06-27T08:59:17.192108328Z","published":"2026-05-01T14:14:51.895Z","related":["SUSE-SU-2026:2450-1","SUSE-SU-2026:2630-1","SUSE-SU-2026:2631-1","SUSE-SU-2026:2632-1","SUSE-SU-2026:2638-1","SUSE-SU-2026:2658-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31759.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01af542392b5d41fd659d487015a71f627accce3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/272a9b26c336a295e4e209157fed809706c1b1f7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f70ba9dae13a190673cc3f9b4aad52179738f60"},{"type":"WEB","url":"https://git.kernel.org/stable/c/38c28fe25611099230f0965c925499bfcf46a795"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8763f8317bb389aded32a32b08f6751cfff657d2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a6e5461f076c2ef63159f18e5cdbd30b50f0bc15"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aaeae6533d77e6ed4def85baec01e2815ebbef61"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ee248e6e941e4f2e634df2bd43e5f1ef810ab6df"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31759.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31759"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"289fcff4bcdb1dcc0ce8788b7ea0f58a9e4a495f"},{"fixed":"2f70ba9dae13a190673cc3f9b4aad52179738f60"},{"fixed":"ee248e6e941e4f2e634df2bd43e5f1ef810ab6df"},{"fixed":"272a9b26c336a295e4e209157fed809706c1b1f7"},{"fixed":"aaeae6533d77e6ed4def85baec01e2815ebbef61"},{"fixed":"8763f8317bb389aded32a32b08f6751cfff657d2"},{"fixed":"38c28fe25611099230f0965c925499bfcf46a795"},{"fixed":"a6e5461f076c2ef63159f18e5cdbd30b50f0bc15"},{"fixed":"01af542392b5d41fd659d487015a71f627accce3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31759.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0"},{"fixed":"5.10.253"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.203"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.168"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.134"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.81"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.22"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31759.json"}}],"schema_version":"1.7.5"}