CVE-2022-50130
staging: fbtft: core: set smem_len before fb_deferred_io_init call
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Timeline
ID reserved
By Linux
Published
- 17 months later
· 17 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected e79b2b2aadeffe1db54a6b569b9b621575c3eb07 – < 4178bfa3fc9de556dfe248a6eabe29280f0ffda5
- affected 6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 – < 5185c319e8ea67657e0d3edd520a7276516c506a
- affected 856082f021a28221db2c32bd0531614a8382be67 – < 6ae6abe240306f878557d6eadd950a2e2561f59f
- affected 856082f021a28221db2c32bd0531614a8382be67 – < 81e878887ff82a7dd42f22951391069a5d520627
- affected 5.18.3 – < 5.18.18
- affected 5.19
- unaffected < 5.19
- unaffected 5.18.18 – ≤ 5.18.*
- unaffected 5.19.2 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (4)
- https://git.kernel.org/stable/c/4178bfa3fc9de556dfe248a6eabe29280f0ffda5 (opens in a new tab)
- https://git.kernel.org/stable/c/5185c319e8ea67657e0d3edd520a7276516c506a (opens in a new tab)
- https://git.kernel.org/stable/c/6ae6abe240306f878557d6eadd950a2e2561f59f (opens in a new tab)
- https://git.kernel.org/stable/c/81e878887ff82a7dd42f22951391069a5d520627 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50130)Record last updated .