{"id":"CVE-2022-50130","title":"staging: fbtft: core: set smem_len before fb_deferred_io_init call","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: fbtft: core: set smem_len before fb_deferred_io_init call\n\nThe fbtft_framebuffer_alloc() calls fb_deferred_io_init() before\ninitializing info->fix.smem_len.  I…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e79b2b2aadeffe1db54a6b569b9b621575c3eb07 < 4178bfa3fc9de556dfe248a6eabe29280f0ffda5","Linux >= 6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 < 5185c319e8ea67657e0d3edd520a7276516c506a","Linux >= 856082f021a28221db2c32bd0531614a8382be67 < 6ae6abe240306f878557d6eadd950a2e2561f59f","Linux >= 856082f021a28221db2c32bd0531614a8382be67 < 81e878887ff82a7dd42f22951391069a5d520627","Linux >= 5.18.3 < 5.18.18","Linux 5.19"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T19:54:56.769641Z"},"published":"2025-06-18","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:00:17.961Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50130","references":[{"url":"https://git.kernel.org/stable/c/4178bfa3fc9de556dfe248a6eabe29280f0ffda5"},{"url":"https://git.kernel.org/stable/c/5185c319e8ea67657e0d3edd520a7276516c506a"},{"url":"https://git.kernel.org/stable/c/6ae6abe240306f878557d6eadd950a2e2561f59f"},{"url":"https://git.kernel.org/stable/c/81e878887ff82a7dd42f22951391069a5d520627"}],"tags":["cve.org"],"epss":0.00193,"epssPercentile":0.09015,"ingestedAt":"2026-11-05T22:38:31.673Z","slug":"CVE-2022-50130","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nstaging: fbtft: core: set smem_len before fb_deferred_io_init call\n\nThe fbtft_framebuffer_alloc() calls fb_deferred_io_init() before\ninitializing info->fix.smem_len.  It is set to zero by the\nframebuffer_alloc() function.  It will trigger a WARN_ON() at the\nstart of fb_deferred_io_init() and the function will not do anything.\n\n## Affected\n\n- `Linux >= e79b2b2aadeffe1db54a6b569b9b621575c3eb07 < 4178bfa3fc9de556dfe248a6eabe29280f0ffda5`\n- `Linux >= 6a9ae2fe887042f76fd3d334349e64e8ab3c55a2 < 5185c319e8ea67657e0d3edd520a7276516c506a`\n- `Linux >= 856082f021a28221db2c32bd0531614a8382be67 < 6ae6abe240306f878557d6eadd950a2e2561f59f`\n- `Linux >= 856082f021a28221db2c32bd0531614a8382be67 < 81e878887ff82a7dd42f22951391069a5d520627`\n- `Linux >= 5.18.3 < 5.18.18`\n- `Linux 5.19`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}