CVE-2022-50130

staging: fbtft: core: set smem_len before fb_deferred_io_init call

State: Published
Severity: Not scored
Published: Jun 18, 2025
Updated: May 23, 2026
Reserved: Jun 18, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

staging: fbtft: core: set smem_len before fb_deferred_io_init call

The fbtft_framebuffer_alloc() calls fb_deferred_io_init() before initializing info->fix.smem_len. It is set to zero by the framebuffer_alloc() function. It will trigger a WARN_ON() at the start of fb_deferred_io_init() and the function will not do anything.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	e79b2b2aadeffe1db54a6b569b9b621575c3eb07 to before 4178bfa3fc9de556dfe248a6eabe29280f0ffda5Affected 6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 to before 5185c319e8ea67657e0d3edd520a7276516c506aAffected 856082f021a28221db2c32bd0531614a8382be67 to before 6ae6abe240306f878557d6eadd950a2e2561f59fAffected 856082f021a28221db2c32bd0531614a8382be67 to before 81e878887ff82a7dd42f22951391069a5d520627Affected 5.18.3 to before 5.18.18Affected
LinuxLinux	5.19Affected before 5.19Not affected 5.18.18 through 5.18.Not affected 5.19.2 through 5.19.Not affected 6.0 and laterNot affected

Product

Versions

LinuxLinux

e79b2b2aadeffe1db54a6b569b9b621575c3eb07 to before 4178bfa3fc9de556dfe248a6eabe29280f0ffda5Affected
6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 to before 5185c319e8ea67657e0d3edd520a7276516c506aAffected
856082f021a28221db2c32bd0531614a8382be67 to before 6ae6abe240306f878557d6eadd950a2e2561f59fAffected
856082f021a28221db2c32bd0531614a8382be67 to before 81e878887ff82a7dd42f22951391069a5d520627Affected
5.18.3 to before 5.18.18Affected

LinuxLinux

5.19Affected
before 5.19Not affected
5.18.18 through 5.18.*Not affected
5.19.2 through 5.19.*Not affected
6.0 and laterNot affected

References

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