{
  "cveId": "CVE-2022-50864",
  "url": "https://patchblox.com/security/cve/CVE-2022-50864",
  "summary": "CVE-2022-50864 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50864, released December 30, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nilfs2: fix shift-out-of-bounds due to too large...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  nilfs2: fix shift-out-of-bounds due to too large exponent of block size  If field s_log_block_size of superblock data is corrupted and too large, init_nilfs() and load_nilfs() still can trigger a shift-out-of-bounds warning followed by a kernel panic (if panic_on_warn is set):   shift exponent 38973 is too large for 32-bit type \u0027int\u0027  Call Trace:   \u003CTASK\u003E   dump_stack_lvl\u002B0xcd/0x134   ubsan_epilogue\u002B0xb/0x50   __ubsan_handle_shift_out_of_bounds.cold.12\u002B0x17b/0x1f5   init_nilfs.cold.11\u002B0x18/0x1d [nilfs2]   nilfs_mount\u002B0x9b5/0x12b0 [nilfs2]   ...  This fixes the issue by adding and using a new helper function for getting block size with sanity check.",
  "published": "2025-12-30T13:16:01Z",
  "severity": "",
  "epss": 0.002,
  "epssPercentile": 0.0994,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50864",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50864",
      "released": "2025-12-30T13:16:01Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50864",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50864",
      "released": "2025-12-30T13:16:01Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.1.4-1",
      "fix": "DEBIAN-CVE-2022-50864",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50864",
      "released": "2025-12-30T13:16:01Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}