CVE-2022-50130

MEDIUM

Linux Kernel - Denial of Service via fb_deferred_io_init WARN_ON Trigger

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0016
EPSS Percentile 5.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (13)
linux/Kernel < 5.18.18linux
linux/Kernel 5.19.0 - 5.19.2linux
Linux/Linux < 5.19
Linux/Linux 5.18.18 - 5.18.*
Linux/Linux 5.18.3 - 5.18.18
Linux/Linux 5.19
Linux/Linux 5.19.2 - 5.19.*
Linux/Linux 6.0
Linux/Linux 6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 - 5185c319e8ea67657e0d3edd520a7276516c506a
Linux/Linux 856082f021a28221db2c32bd0531614a8382be67 - 6ae6abe240306f878557d6eadd950a2e2561f59f
... and 3 more
Published Jun 18, 2025
Tracked Since Feb 18, 2026