{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d"
            },
            {
              "fixed": "7750be5d3e18500b454714677463b500a0b8b0d8"
            },
            {
              "fixed": "bd188ff1c8a1935c93a1e3cacf3be62667fdf762"
            },
            {
              "fixed": "66f4742e93523ab2f062d9d9828b3e590bc61536"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53584.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process\n\nThere are two states for ubifs writing pages:\n1. Dirty, Private\n2. Not Dirty, Not Private\n\nThe normal process cannot go to ubifs_releasepage() which means there\nexists pages being private but not dirty. Reproducer[1] shows that it\ncould occur (which maybe related to [2]) with following process:\n\n     PA                     PB                    PC\nlock(page)[PA]\nubifs_write_end\n  attach_page_private         // set Private\n  __set_page_dirty_nobuffers  // set Dirty\nunlock(page)\n\nwrite_cache_pages[PA]\n  lock(page)\n  clear_page_dirty_for_io(page)\t// clear Dirty\n  ubifs_writepage\n\n                        do_truncation[PB]\n\t\t\t  truncate_setsize\n\t\t\t    i_size_write(inode, newsize) // newsize = 0\n\n    i_size = i_size_read(inode)\t// i_size = 0\n    end_index = i_size \u003e\u003e PAGE_SHIFT\n    if (page-\u003eindex \u003e end_index)\n      goto out // jump\nout:\nunlock(page)   // Private, Not Dirty\n\n\t\t\t\t\t\tgeneric_fadvise[PC]\n\t\t\t\t\t\t  lock(page)\n\t\t\t\t\t\t  invalidate_inode_page\n\t\t\t\t\t\t    try_to_release_page\n\t\t\t\t\t\t      ubifs_releasepage\n\t\t\t\t\t\t        ubifs_assert(c, 0)\n\t\t                                        // bad assertion!\n\t\t\t\t\t\t  unlock(page)\n\t\t\t  truncate_pagecache[PB]\n\nThen we may get following assertion failed:\n  UBIFS error (ubi0:0 pid 1683): ubifs_assert_failed [ubifs]:\n  UBIFS assert failed: 0, in fs/ubifs/file.c:1513\n  UBIFS warning (ubi0:0 pid 1683): ubifs_ro_mode [ubifs]:\n  switched to read-only mode, error -22\n  CPU: 2 PID: 1683 Comm: aa Not tainted 5.16.0-rc5-00184-g0bca5994cacc-dirty #308\n  Call Trace:\n    dump_stack+0x13/0x1b\n    ubifs_ro_mode+0x54/0x60 [ubifs]\n    ubifs_assert_failed+0x4b/0x80 [ubifs]\n    ubifs_releasepage+0x67/0x1d0 [ubifs]\n    try_to_release_page+0x57/0xe0\n    invalidate_inode_page+0xfb/0x130\n    __invalidate_mapping_pages+0xb9/0x280\n    invalidate_mapping_pagevec+0x12/0x20\n    generic_fadvise+0x303/0x3c0\n    ksys_fadvise64_64+0x4c/0xb0\n\n[1] https://bugzilla.kernel.org/show_bug.cgi?id=215373\n[2] https://linux-mtd.infradead.narkive.com/NQoBeT1u/patch-rfc-ubifs-fix-assert-failed-in-ubifs-set-page-dirty",
  "id": "CVE-2023-53584",
  "modified": "2026-04-01T23:08:36.443580250Z",
  "published": "2025-10-04T15:43:59.835Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66f4742e93523ab2f062d9d9828b3e590bc61536"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7750be5d3e18500b454714677463b500a0b8b0d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bd188ff1c8a1935c93a1e3cacf3be62667fdf762"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53584.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53584"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "ubifs: ubifs_releasepage: Remove ubifs_assert(0) to valid this process"
}