{"id":"CVE-2026-89624","summary":"HID: universal-pidff: stop the device when force-feedback init fails","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: universal-pidff: stop the device when force-feedback init fails\n\nuniversal_pidff_probe() starts the device with hid_hw_start() and then, if\nforce-feedback initialisation fails, returns the error through a label that\nonly does \"return error\".  The device is left started.\n\nThe HID core does not unwind on the driver's behalf.  __hid_device_probe()\nreleases the devres group, closes the report and clears hdev-\u003edriver:\n\n\tif (ret) {\n\t\tdevres_release_group(&hdev-\u003edev, hdev-\u003edevres_group_id);\n\t\thid_close_report(hdev);\n\t\thdev-\u003edriver = NULL;\n\t}\n\nThe hidraw character device that hid_hw_start() registered through\nhid_connect() is allocated with kzalloc() and added with cdev_device_add(),\nso it is not devres-managed and survives that.  With hdev-\u003edriver NULL,\nhid_device_remove() skips hid_hw_stop() as well, because it only unwinds\nwhile a driver is still attached.  The registration therefore outlives the\ndevice on both paths.\n\nOpening the surviving /dev/hidrawX writes into freed memory.  KASAN reports\na use-after-free write from hidraw_open() -\u003e hid_hw_open() -\u003e the\ntransport's open callback, which takes a spinlock inside the freed object.\nA descriptor that carries a PID usage page and no input reports is enough:\nhidraw claims the device so hid_hw_start() succeeds, while hid-\u003einputs\nstays empty so force-feedback init fails.  The other failure returns in\nhid_pidff_init_with_quirks() - no output reports, an allocation failure,\npidff_init_fields(), pidff_check_autocenter(), an unusable effect count,\ninput_ff_create() - all reach the same label.\n\nStop the device on that path.  hid-dr.c and hid-emsff.c, which start the\ndevice with the same HID_CONNECT_DEFAULT & ~HID_CONNECT_FF mask, already do\nthis.  The two earlier gotos must keep returning without hid_hw_stop(),\nsince neither has a started device, so give the path that fails after the\nstart its own label.\n\nDiscovered by XBOW, triaged by Baul Lee \u003cbaul.lee@xbow.com\u003e","modified":"2026-09-13T03:47:20.317910650Z","published":"2026-09-11T19:45:21.438Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89624.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01d9874e84d3ab78fd212ad822412eb3af84497f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c457bb516b61edeab940235a011928e26925381e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ce08c5555cabcd444d8b77fa69a7cb68bb05f611"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89624.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89624"},{"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":"f06bf8d94fffbb544b1cb5402c92e0a075f0d420"},{"fixed":"01d9874e84d3ab78fd212ad822412eb3af84497f"},{"fixed":"c457bb516b61edeab940235a011928e26925381e"},{"fixed":"ce08c5555cabcd444d8b77fa69a7cb68bb05f611"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"c1fde337b317f0a226de92803288741c30799eb0"},{"last_affected":"f45f26a6b3e7260c129c7c6bb0ace63aeb7b3868"},{"last_affected":"af9f2471dfe5a48384f5b7f021a673fbc741465e"},{"last_affected":"b797352954eee6dc084cfaed0659dea60adfb484"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.6.88"},{"fixed":"6.7"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.12.24"},{"fixed":"6.13"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.13.12"},{"fixed":"6.14"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.14.3"},{"fixed":"6.15"}]}],"versions":["v6.14-rc3","v6.14","v6.6.87","v6.14.2","v6.13.11","v6.12.23","v6.14.1","v6.13.10","v6.12.22","v6.6.86","v6.13.9","v6.12.21","v6.6.85","v6.14-rc1","v6.14-rc7","v6.14-rc6","v6.13.8","v6.12.20","v6.6.84","v6.14-rc4","v6.14-rc5","v6.13.7","v6.12.19","v6.6.83","v6.14-rc2","v6.13.6","v6.12.18","v6.6.82","v6.6.81","v6.13.5","v6.12.17","v6.6.80","v6.13.4","v6.12.16","v6.6.79","v6.13.3","v6.12.15","v6.6.78","v6.13","v6.12.14","v6.13-rc1","v6.13.2","v6.12.13","v6.6.77","v6.6.76","v6.13.1","v6.12.12","v6.6.75","v6.12.11","v6.6.74","v6.13-rc6","v6.12.10","v6.6.73","v6.6.72","v6.13-rc7","v6.13-rc2","v6.12.9","v6.6.71","v6.13-rc5","v6.13-rc3","v6.6.70","v6.12.8","v6.6.69","v6.12-rc1","v6.13-rc4","v6.12.7","v6.6.68","v6.12.6","v6.6.67","v6.12.5","v6.6.66","v6.12.4","v6.6.65","v6.6.64","v6.12","v6.12.3","v6.6.63","v6.12.2","v6.12.1","v6.12-rc7","v6.6.62","v6.6.61","v6.12-rc3","v6.6.60","v6.12-rc4","v6.12-rc6","v6.12-rc5","v6.6.59","v6.12-rc2","v6.6.58","v6.6.57","v6.11-rc1","v6.6.56","v6.11-rc5","v6.6.55","v6.6.54","v6.11","v6.6.53","v6.6.52","v6.11-rc7","v6.6.51","v6.10-rc1","v6.11-rc6","v6.11-rc3","v6.6.50","v6.11-rc4","v6.6.49","v6.11-rc2","v6.6.48","v6.6.47","v6.10","v6.6.46","v6.6.45","v6.6.44","v6.6.43","v6.6.42","v6.6.41","v6.10-rc6","v6.6.40","v6.10-rc7","v6.6.39","v6.10-rc3","v6.9-rc1","v6.6.38","v6.10-rc5","v6.10-rc2","v6.6.37","v6.6.36","v6.10-rc4","v6.6.35","v6.9","v6.6.34","v6.6.33","v6.6.32","v6.6.31","v6.6.30","v6.9-rc6","v6.9-rc7","v6.9-rc5","v6.9-rc3","v6.9-rc2","v6.8","v6.9-rc4","v6.6.29","v6.6.28","v6.8-rc1","v6.6.27","v6.6.26","v6.6.25","v6.6.24","v6.6.23","v6.6.22","v6.7-rc1","v6.8-rc7","v6.6.21","v6.8-rc6","v6.8-rc5","v6.8-rc4","v6.8-rc3","v6.8-rc2","v6.6.20","v6.6.19","v6.6.18","v6.6.17","v6.6.16","v6.6.15","v6.6.14","v6.6.13","v6.7","v6.6.12","v6.7-rc3","v6.7-rc8","v6.6.11","v6.7-rc7","v6.6.10","v6.6.9","v6.7-rc6","v6.6.8","v6.7-rc2","v6.6.7","v6.7-rc4","v6.7-rc5","v6.6.6","v6.6.5","v6.6.4","v6.6","v6.6.3","v6.6.2","v6.6.1","v6.6-rc1","v6.6-rc5","v6.6-rc3","v6.6-rc7","v6.6-rc6","v6.6-rc4","v6.6-rc2","v6.5","v6.5-rc1","v6.5-rc2","v6.5-rc7","v6.5-rc4","v6.5-rc3","v6.5-rc6","v6.5-rc5","v6.4","v6.4-rc7","v6.4-rc1","v6.4-rc6","v6.4-rc5","v6.4-rc3","v6.4-rc4","v6.4-rc2","v6.3","v6.3-rc1","v6.3-rc7","v6.3-rc2","v6.3-rc3","v6.3-rc5","v6.3-rc6","v6.3-rc4","v6.2-rc6","v6.2-rc1","v6.2","v6.2-rc2","v6.2-rc8","v6.2-rc5","v6.2-rc4","v6.2-rc7","v6.2-rc3","v6.1-rc1","v6.1","v6.1-rc8","v6.1-rc3","v6.1-rc6","v6.1-rc7","v6.1-rc4","v6.1-rc2","v6.1-rc5","v6.0-rc1","v6.0","v6.0-rc7","v6.0-rc3","v6.0-rc2","v6.0-rc6","v6.0-rc4","v6.0-rc5","v5.19","v5.19-rc1","v5.19-rc5","v5.19-rc8","v5.19-rc6","v5.18","v5.19-rc2","v5.19-rc7","v5.19-rc3","v5.19-rc4","v5.18-rc1","v5.18-rc7","v5.18-rc2","v5.18-rc5","v5.17","v5.18-rc4","v5.18-rc3","v5.18-rc6","v5.17-rc6","v5.17-rc4","v5.17-rc8","v5.17-rc7","v5.17-rc1","v5.17-rc3","v5.17-rc2","v5.17-r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