{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-43859",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-43859",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-08-17T09:24:28.672Z",
    "updatedAt": "2026-05-11T20:31:12.161Z",
    "importedAt": "2026-10-24T01:57:16.009Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "f2fs: fix to truncate preallocated blocks in f2fs_file_open()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to truncate preallocated blocks in f2fs_file_open()\n\nchenyuwen reports a f2fs bug as below:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000011\n fscrypt_set_bio_crypt_ctx+0x78/0x1e8\n f2fs_grab_read_bio+0x78/0x208\n f2fs_submit_page_read+0x44/0x154\n f2fs_get_read_data_page+0x288/0x5f4\n f2fs_get_lock_data_page+0x60/0x190\n truncate_partial_data_page+0x108/0x4fc\n f2fs_do_truncate_blocks+0x344/0x5f0\n f2fs_truncate_blocks+0x6c/0x134\n f2fs_truncate+0xd8/0x200\n f2fs_iget+0x20c/0x5ac\n do_garbage_collect+0x5d0/0xf6c\n f2fs_gc+0x22c/0x6a4\n f2fs_disable_checkpoint+0xc8/0x310\n f2fs_fill_super+0x14bc/0x1764\n mount_bdev+0x1b4/0x21c\n f2fs_mount+0x20/0x30\n legacy_get_tree+0x50/0xbc\n vfs_get_tree+0x5c/0x1b0\n do_new_mount+0x298/0x4cc\n path_mount+0x33c/0x5fc\n __arm64_sys_mount+0xcc/0x15c\n invoke_syscall+0x60/0x150\n el0_svc_common+0xb8/0xf8\n do_el0_svc+0x28/0xa0\n el0_svc+0x24/0x84\n el0t_64_sync_handler+0x88/0xec\n\nIt is because inode.i_crypt_info is not initialized during below path:\n- mount\n - f2fs_fill_super\n  - f2fs_disable_checkpoint\n   - f2fs_gc\n    - f2fs_iget\n     - f2fs_truncate\n\nSo, let's relocate truncation of preallocated blocks to f2fs_file_open(),\nafter fscrypt_file_open().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d4dd19ec1ea0cf6532d65709325c42b1398614a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5f04969136db674f133781626e0b692c5f2bf2f0"
            },
            {
              "version": "d4dd19ec1ea0cf6532d65709325c42b1398614a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f44a25a8bfe0c15d33244539696cd9119cf44d18"
            },
            {
              "version": "d4dd19ec1ea0cf6532d65709325c42b1398614a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3ba0ae885215b325605ff7ebf6de12ac2adf204d"
            },
            {
              "version": "d4dd19ec1ea0cf6532d65709325c42b1398614a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "298b1e4182d657c3e388adcc29477904e9600ed5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.17"
            },
            {
              "version": "6.1.109",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.44",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.10.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.10.*"
            },
            {
              "version": "6.11",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}