{
  "cveId": "CVE-2022-50222",
  "url": "https://patchblox.com/security/cve/CVE-2022-50222",
  "summary": "CVE-2022-50222 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50222, released June 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  tty: vt: initialize unicode screen buffer  syzbo...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  tty: vt: initialize unicode screen buffer  syzbot reports kernel infoleak at vcs_read() [1], for buffer can be read immediately after resize operation. Initialize buffer using kzalloc().    ----------   #include \u003Cfcntl.h\u003E   #include \u003Cunistd.h\u003E   #include \u003Csys/ioctl.h\u003E   #include \u003Clinux/fb.h\u003E    int main(int argc, char *argv[])   {     struct fb_var_screeninfo var = { };     const int fb_fd = open(\u0022/dev/fb0\u0022, 3);     ioctl(fb_fd, FBIOGET_VSCREENINFO, \u0026var);     var.yres = 0x21;     ioctl(fb_fd, FBIOPUT_VSCREENINFO, \u0026var);     return read(open(\u0022/dev/vcsu\u0022, O_RDONLY), \u0026var, sizeof(var)) == -1;   }   ----------",
  "published": "2025-06-18T11:15:53Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00236,
  "epssPercentile": 0.14652,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-50222",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50222",
      "released": "2025-06-18T11:15:53Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-50222",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50222",
      "released": "2025-06-18T11:15:53Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-50222",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50222",
      "released": "2025-06-18T11:15:53Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}