{
  "cveId": "CVE-2025-68336",
  "url": "https://patchblox.com/security/cve/CVE-2025-68336",
  "summary": "CVE-2025-68336 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-68336, released December 22, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  locking/spinlock/debug: Fix data-race in do_raw_...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  locking/spinlock/debug: Fix data-race in do_raw_write_lock  KCSAN reports:  BUG: KCSAN: data-race in do_raw_write_lock / do_raw_write_lock  write (marked) to 0xffff800009cf504c of 4 bytes by task 1102 on cpu 1:  do_raw_write_lock\u002B0x120/0x204  _raw_write_lock_irq  do_exit  call_usermodehelper_exec_async  ret_from_fork  read to 0xffff800009cf504c of 4 bytes by task 1103 on cpu 0:  do_raw_write_lock\u002B0x88/0x204  _raw_write_lock_irq  do_exit  call_usermodehelper_exec_async  ret_from_fork  value changed: 0xffffffff -\u003E 0x00000001  Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1103 Comm: kworker/u4:1 6.1.111  Commit 1a365e822372 (\u0022locking/spinlock/debug: Fix various data races\u0022) has adressed most of these races, but seems to be not consistent/not complete.  \u003EFrom do_raw_write_lock() only debug_write_lock_after() part has been converted to WRITE_ONCE(), but not debug_write_lock_before() part. Do it now.",
  "published": "2025-12-22T17:16:01Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00466,
  "epssPercentile": 0.40546,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.162-1",
      "fix": "DEBIAN-CVE-2025-68336",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68336",
      "released": "2025-12-22T17:16:01Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.63-1",
      "fix": "DEBIAN-CVE-2025-68336",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68336",
      "released": "2025-12-22T17:16:01Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.17.12-1",
      "fix": "DEBIAN-CVE-2025-68336",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-68336",
      "released": "2025-12-22T17:16:01Z"
    }
  ],
  "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"
  }
}