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.
History

Wed, 24 Dec 2025 13:15:00 +0000

Type Values Removed Values Added
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.
Title fbdev: smscufx: Fix several use-after-free bugs
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-12-24T13:05:57.569Z

Reserved: 2025-12-24T13:02:21.546Z

Link: CVE-2022-50767

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-24T13:16:03.503

Modified: 2025-12-24T13:16:03.503

Link: CVE-2022-50767

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.