CVE-2022-50404 (GCVE-0-2022-50404)
Vulnerability from cvelistv5
Published
2025-09-18 16:03
Modified
2025-09-18 16:03
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcon_do_set_font() failed syzbot is reporting memory leak at fbcon_do_set_font() [1], for commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") missed that the buffer might be newly allocated by fbcon_set_font().
Impacted products
Vendor Product Version
Linux Linux Version: ebd6f886aa2447fcfcdce5450c9e1028e1d681bb
Version: a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24
Version: a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24
Version: a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24
Version: f08ccb792d3eaf1dc62d8cbf6a30d6522329f660
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{
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          "programFiles": [
            "drivers/video/fbdev/core/fbcon.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "6.0"
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              "version": "0",
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: fbcon: release buffer when fbcon_do_set_font() failed\n\nsyzbot is reporting memory leak at fbcon_do_set_font() [1], for\ncommit a5a923038d70 (\"fbdev: fbcon: Properly revert changes when\nvc_resize() failed\") missed that the buffer might be newly allocated\nby fbcon_set_font()."
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      "providerMetadata": {
        "dateUpdated": "2025-09-18T16:03:49.643Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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      "title": "fbdev: fbcon: release buffer when fbcon_do_set_font() failed",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50404",
    "datePublished": "2025-09-18T16:03:49.643Z",
    "dateReserved": "2025-09-17T14:53:07.000Z",
    "dateUpdated": "2025-09-18T16:03:49.643Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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