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CVE-2026-53402 fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()

🗓️ 19 Jul 2026 12:02:01Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Fix out-of-bounds read in fbcon_do_set_font error path by restoring hi_font state and screen buffer.

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Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/core/fbcon.c"
    ],
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/core/fbcon.c"
    ],
    "versions": [
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      },
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      },
      {
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      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
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      },
      {
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        "lessThanOrEqual": "6.6.*",
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      },
      {
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        "lessThanOrEqual": "6.12.*",
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      },
      {
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        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
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      },
      {
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      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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