Description
In the Linux kernel, the following vulnerability has been resolved:
fbdev: smscufx: Fix several use-after-free bugs
Several types of UAFs can occur when physically removing a USB device.
Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free().
This fix prevents multiple UAFs.
Metrics
No CVSS score has been published yet.
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 3f40852d671072836fb7ae331a1f28a24223c4e8; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 5385af2f89bc352fb70753ab41b2bb036190141f; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < cc6a7249842fceda7574ceb63275a2d5e99d2862; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 8d924b262f3178a9b17c17d4306a9f426c508bd9; >= 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < cc67482c9e5f2c80d62f623bcc347c29f9f648e1 |
| Linux | Linux | 3.2 |
References
- https://git.kernel.org/stable/c/3f40852d671072836fb7ae331a1f28a24223c4e8
- https://git.kernel.org/stable/c/5385af2f89bc352fb70753ab41b2bb036190141f
- https://git.kernel.org/stable/c/6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f
- https://git.kernel.org/stable/c/70faf9d9b6cc74418716bbf76fe75bd2da10ad4a
- https://git.kernel.org/stable/c/8d924b262f3178a9b17c17d4306a9f426c508bd9
- https://git.kernel.org/stable/c/cc67482c9e5f2c80d62f623bcc347c29f9f648e1
- https://git.kernel.org/stable/c/cc6a7249842fceda7574ceb63275a2d5e99d2862
- https://git.kernel.org/stable/c/d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86
Timeline
- Published
- Dec 24, 2025
- Last modified
- Nov 10, 2026
- NVD status
- Deferred