CVE-2022-50130

MEDIUM

MEDIUM Priority: 0.01 BB Relevance: 36/100

Published: 2025-06-18 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local

AC: Low

PR: Low

UI: None

S: Unchanged

C: None

I: None

A: High

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.

Affected Software (7)

Vendor	Product	Version
Linux	Linux	e79b2b2aadeffe1db54a6b569b9b621575c3eb07 < 4178bfa3fc9de556dfe248a6eabe29280f0ffda5
Linux	Linux	6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 < 5185c319e8ea67657e0d3edd520a7276516c506a
Linux	Linux	856082f021a28221db2c32bd0531614a8382be67 < 6ae6abe240306f878557d6eadd950a2e2561f59f
Linux	Linux	856082f021a28221db2c32bd0531614a8382be67 < 81e878887ff82a7dd42f22951391069a5d520627
Linux	Linux	5.18.3 < 5.18.18
Linux	Linux	5.19
linux	linux_kernel	5.18.3 – 5.18.18