CVE-2022-48663 - CVE House
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Status published Medium CVE-2022-48663

gpio: mockup: fix NULL pointer dereference when removing debugfs

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
3815e66c2183f3430490e450ba16779cf5214ec6, 3a10e8edee2b45a654f1f7b05f747129ec84cf9d, bc55c1677edbe86a1c66a35e800df47dff16ad61, 303e6da99429510b1e4edf833afe90ac8542e747, 5.10.144, 5.15.69, 5.19.10

Timeline

Official Publish: April 28th, 2024
Last Modified: May 11th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.