CVE-2026-89624
- Source
- https://cve.org/CVERecord?id=CVE-2026-89624
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89624.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-89624
- Downstream
- Related
- Published
- 2026-09-11T19:45:21Z
- Modified
- 2026-10-24T02:30:43Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- HID: universal-pidff: stop the device when force-feedback init fails
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
HID: universal-pidff: stop the device when force-feedback init fails
universal_pidff_probe() starts the device with hid_hw_start() and then, if force-feedback initialisation fails, returns the error through a label that only does "return error". The device is left started.
The HID core does not unwind on the driver's behalf. __hid_device_probe() releases the devres group, closes the report and clears hdev->driver:
if (ret) { devres_release_group(&hdev->dev, hdev->devres_group_id); hid_close_report(hdev); hdev->driver = NULL; }The hidraw character device that hid_hw_start() registered through hid_connect() is allocated with kzalloc() and added with cdev_device_add(), so it is not devres-managed and survives that. With hdev->driver NULL, hid_device_remove() skips hid_hw_stop() as well, because it only unwinds while a driver is still attached. The registration therefore outlives the device on both paths.
Opening the surviving /dev/hidrawX writes into freed memory. KASAN reports a use-after-free write from hidraw_open() -> hid_hw_open() -> the transport's open callback, which takes a spinlock inside the freed object. A descriptor that carries a PID usage page and no input reports is enough: hidraw claims the device so hid_hw_start() succeeds, while hid->inputs stays empty so force-feedback init fails. The other failure returns in hid_pidff_init_with_quirks() - no output reports, an allocation failure, pidff_init_fields(), pidff_check_autocenter(), an unusable effect count, input_ff_create() - all reach the same label.
Stop the device on that path. hid-dr.c and hid-emsff.c, which start the device with the same HID_CONNECT_DEFAULT & ~HID_CONNECT_FF mask, already do this. The two earlier gotos must keep returning without hid_hw_stop(), since neither has a started device, so give the path that fails after the start its own label.
Discovered by XBOW, triaged by Baul Lee baul.lee@xbow.com
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89624.json" }- References
-
- https://git.kernel.org/stable/c/01d9874e84d3ab78fd212ad822412eb3af84497f
- https://git.kernel.org/stable/c/519fa26695b02870022fcdc651efb3d379abe54e
- https://git.kernel.org/stable/c/66358f5789c9a7e28809985a83c01e6ad933849e
- https://git.kernel.org/stable/c/c457bb516b61edeab940235a011928e26925381e
- https://git.kernel.org/stable/c/ce08c5555cabcd444d8b77fa69a7cb68bb05f611
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89624.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-89624
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / 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
-
Introducedc1fde337b317f0a226de92803288741c30799eb0Fixed66358f5789c9a7e28809985a83c01e6ad933849e
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf45f26a6b3e7260c129c7c6bb0ace63aeb7b3868Fixed519fa26695b02870022fcdc651efb3d379abe54e
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf06bf8d94fffbb544b1cb5402c92e0a075f0d420Fixed01d9874e84d3ab78fd212ad822412eb3af84497fFixedc457bb516b61edeab940235a011928e26925381eFixedce08c5555cabcd444d8b77fa69a7cb68bb05f611
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced6.6.88Fixed6.6.160
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced6.12.24Fixed6.12.111
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced6.13.12Fixed6.14
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced6.14.3Fixed6.15
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedaf9f2471dfe5a48384f5b7f021a673fbc741465e
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedb797352954eee6dc084cfaed0659dea60adfb484
Affected versions
v6.*
Linux / Kernel
Package
- Name
- Kernel