Description
In the Linux kernel, the following vulnerability has been resolved:
most: usb: hdm_probe: Fix calling put_device() before device initialization
The early error path in hdm_probe() can jump to err_free_mdev before &mdev->dev has been initialized with device_initialize(). Calling put_device(&mdev->dev) there triggers a device core WARN and ends up invoking kref_put(&kobj->kref, kobject_release) on an uninitialized kobject.
In this path the private struct was only kmalloc'ed and the intended release is effectively kfree(mdev) anyway, so free it directly instead of calling put_device() on an uninitialized device.
This removes the WARNING and fixes the pre-initialization error path.
Metrics
No CVSS score has been published yet.
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < 3509c748e79435d09e730673c8c100b7f0ebc87c; >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < ad2be44882716dc3589fbc5572cc13f88ead6b24; >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < c400410fe0580dd6118ae8d60287ac9ce71a65fd; >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < 6fb8fbc0aa542af5bf0fed94fa6b0edf18144f95; >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < 7d851f746067b8ee5bac9c262f326ace0a6ea253; >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < 4af0eedbdb4df7936bf43a28e31af232744d2620; >= 97a6f772f36b7f52bcfa56a581bbd2470cffe23d, < a8cc9e5fcb0e2eef21513a4fec888f5712cb8162 |
| Linux | Linux | 5.9 |
References
- https://git.kernel.org/stable/c/3509c748e79435d09e730673c8c100b7f0ebc87c
- https://git.kernel.org/stable/c/4af0eedbdb4df7936bf43a28e31af232744d2620
- https://git.kernel.org/stable/c/6fb8fbc0aa542af5bf0fed94fa6b0edf18144f95
- https://git.kernel.org/stable/c/7d851f746067b8ee5bac9c262f326ace0a6ea253
- https://git.kernel.org/stable/c/a8cc9e5fcb0e2eef21513a4fec888f5712cb8162
- https://git.kernel.org/stable/c/ad2be44882716dc3589fbc5572cc13f88ead6b24
- https://git.kernel.org/stable/c/c400410fe0580dd6118ae8d60287ac9ce71a65fd
Timeline
- Published
- Dec 16, 2025
- Last modified
- Oct 14, 2026
- NVD status
- Deferred