Vulnerabilities > CVE-2022-48663 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: gpio: mockup: fix NULL pointer dereference when removing debugfs We now remove the device's debugfs entries when unbinding the driver. This now causes a NULL-pointer dereference on module exit because the platform devices are unregistered *after* the global debugfs directory has been recursively removed. Fix it by unregistering the devices first.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 6 |
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/18352095a0d581f6aeb1e9fc9d68cc0152cd64b4
- https://git.kernel.org/stable/c/18352095a0d581f6aeb1e9fc9d68cc0152cd64b4
- https://git.kernel.org/stable/c/af0bfabf06c74c260265c30ba81a34e7dec0e881
- https://git.kernel.org/stable/c/af0bfabf06c74c260265c30ba81a34e7dec0e881
- https://git.kernel.org/stable/c/b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68
- https://git.kernel.org/stable/c/b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68
- https://git.kernel.org/stable/c/bdea98b98f844bd8a983ca880893e509a8b4162f
- https://git.kernel.org/stable/c/bdea98b98f844bd8a983ca880893e509a8b4162f