CVE-2022-50130

low-risk
Published 2025-06-18

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.

Do I need to act?

-
0.02% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (4)

Patch https://git.kernel.org/stable/c/4178bfa3fc9de556dfe248a6eabe29280f0ffda5
Patch https://git.kernel.org/stable/c/5185c319e8ea67657e0d3edd520a7276516c506a
Patch https://git.kernel.org/stable/c/6ae6abe240306f878557d6eadd950a2e2561f59f
Patch https://git.kernel.org/stable/c/81e878887ff82a7dd42f22951391069a5d520627
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal