CVE-2022-50130 - CVE House
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Status published Medium CVE-2022-50130

staging: fbtft: core: set smem_len before fb_deferred_io_init call

Vulnerability 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.

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:
e79b2b2aadeffe1db54a6b569b9b621575c3eb07, 6a9ae2fe887042f76fd3d334349e64e8ab3c55a2, 856082f021a28221db2c32bd0531614a8382be67, 5.18.3, 5.19, 0, 5.18.18, 5.19.2, 6.0

Timeline

Official Publish: June 18th, 2025
Last Modified: May 23rd, 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.