{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.19.6-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  ntfs3: fix circular locking dependency in run_unpack_ex  Syzbot reported a circular locking dependency between wnd-\u003erw_lock (sbi-\u003eused.bitmap) and ni-\u003efile.run_lock.  The deadlock scenario: 1. ntfs_extend_mft() takes ni-\u003efile.run_lock then wnd-\u003erw_lock. 2. run_unpack_ex() takes wnd-\u003erw_lock then tries to acquire    ni-\u003efile.run_lock inside ntfs_refresh_zone().  This creates an AB-BA deadlock.  Fix this by using down_read_trylock() instead of down_read() when acquiring run_lock in run_unpack_ex(). If the lock is contended, skip ntfs_refresh_zone() - the MFT zone will be refreshed on the next MFT operation. This breaks the circular dependency since we never block waiting for run_lock while holding wnd-\u003erw_lock.",
  "id": "DEBIAN-CVE-2026-43127",
  "modified": "2026-09-14T16:47:49.203482150Z",
  "published": "2026-05-06T12:16:29.727Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-43127"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-43127"
  ]
}