{
  "cveId": "CVE-2024-26871",
  "url": "https://patchblox.com/security/cve/CVE-2024-26871",
  "summary": "CVE-2024-26871 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-26871, released April 17, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix NULL pointer dereference in f2fs_submi...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix NULL pointer dereference in f2fs_submit_page_write()  BUG: kernel NULL pointer dereference, address: 0000000000000014 RIP: 0010:f2fs_submit_page_write\u002B0x6cf/0x780 [f2fs] Call Trace: \u003CTASK\u003E ? show_regs\u002B0x6e/0x80 ? __die\u002B0x29/0x70 ? page_fault_oops\u002B0x154/0x4a0 ? prb_read_valid\u002B0x20/0x30 ? __irq_work_queue_local\u002B0x39/0xd0 ? irq_work_queue\u002B0x36/0x70 ? do_user_addr_fault\u002B0x314/0x6c0 ? exc_page_fault\u002B0x7d/0x190 ? asm_exc_page_fault\u002B0x2b/0x30 ? f2fs_submit_page_write\u002B0x6cf/0x780 [f2fs] ? f2fs_submit_page_write\u002B0x736/0x780 [f2fs] do_write_page\u002B0x50/0x170 [f2fs] f2fs_outplace_write_data\u002B0x61/0xb0 [f2fs] f2fs_do_write_data_page\u002B0x3f8/0x660 [f2fs] f2fs_write_single_data_page\u002B0x5bb/0x7a0 [f2fs] f2fs_write_cache_pages\u002B0x3da/0xbe0 [f2fs] ... It is possible that other threads have added this fio to io-\u003Ebio and submitted the io-\u003Ebio before entering f2fs_submit_page_write(). At this point io-\u003Ebio = NULL. If is_end_zone_blkaddr(sbi, fio-\u003Enew_blkaddr) of this fio is true, then an NULL pointer dereference error occurs at bio_get(io-\u003Ebio). The original code for determining zone end was after \u0022out:\u0022, which would have missed some fio who is zone end. I\u0027ve moved  this code before \u0022skip:\u0022 to make sure it\u0027s done for each fio.",
  "published": "2024-04-17T11:15:09Z",
  "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": 0.00222,
  "epssPercentile": 0.12852,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.7.12-1",
      "fix": "DEBIAN-CVE-2024-26871",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26871",
      "released": "2024-04-17T11:15:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.7.12-1",
      "fix": "DEBIAN-CVE-2024-26871",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-26871",
      "released": "2024-04-17T11:15:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}