{
  "cveId": "CVE-2022-50403",
  "url": "https://patchblox.com/security/cve/CVE-2022-50403",
  "summary": "CVE-2022-50403 is fixed in 47 products on 1 platform, first by RHSA-2023:2458, released May 9, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix undefined behavior in bit shift for ex...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix undefined behavior in bit shift for ext4_check_flag_values\n\nShifting signed 32-bit value by 31 bits is undefined, so changing\nsignificant bit to unsigned. The UBSAN warning calltrace like below:\n\nUBSAN: shift-out-of-bounds in fs/ext4/ext4.h:591:2\nleft shift of 1 by 31 places cannot be represented in type \u0027int\u0027\nCall Trace:\n \u003CTASK\u003E\n dump_stack_lvl\u002B0x7d/0xa5\n dump_stack\u002B0x15/0x1b\n ubsan_epilogue\u002B0xe/0x4e\n __ubsan_handle_shift_out_of_bounds\u002B0x1e7/0x20c\n ext4_init_fs\u002B0x5a/0x277\n do_one_initcall\u002B0x76/0x430\n kernel_init_freeable\u002B0x3b3/0x422\n kernel_init\u002B0x24/0x1e0\n ret_from_fork\u002B0x1f/0x30\n \u003C/TASK\u003E",
  "published": "2023-05-09T00:00:00Z",
  "severity": "Important",
  "cvss": 8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H",
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "platform": "linux",
      "product": "bpftool",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.el8_10",
      "fix": "RHSA-2024:3138",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-3138",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bpftool",
      "release": "RHEL 9",
      "fixedVersion": "0:7.0.0-284.11.1.el9_2",
      "fix": "RHSA-2023:2458",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2023-2458",
      "released": "2023-05-09T00:00:00Z"
    },
    {
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      "product": "kernel",
      "release": "RHEL 8",
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      "fix": "RHSA-2024:3138",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-3138",
      "released": "2024-05-22T00:00:00Z"
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    {
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      "product": "kernel",
      "release": "RHEL 9",
      "fixedVersion": "0:5.14.0-284.11.1.el9_2",
      "fix": "RHSA-2023:2458",
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      "released": "2023-05-09T00:00:00Z"
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    {
      "platform": "linux",
      "product": "kernel",
      "release": "rocky 8",
      "fixedVersion": "0:4.18.0-553.123.1.el8_10.cloud.0.1",
      "fix": "RXSA-2024:3138",
      "url": "https://patchblox.com/security/fix/linux/rxsa-2024-3138",
      "released": "2026-05-29T18:07:16Z"
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