CVE-2022-50130
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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 & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/4178bfa3fc9de556dfe248a6eabe29280f0ffda5 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/4178bfa3fc9de556dfe248a6eabe29280f0ffda5Patch
- https://git.kernel.org/stable/c/5185c319e8ea67657e0d3edd520a7276516c506aPatch
- https://git.kernel.org/stable/c/6ae6abe240306f878557d6eadd950a2e2561f59fPatch
- https://git.kernel.org/stable/c/81e878887ff82a7dd42f22951391069a5d520627Patch