{
  "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-2025-68336",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-68336",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-22T16:14:13.425Z",
    "updatedAt": "2026-10-16T15:09:43.012Z",
    "importedAt": "2026-10-24T01:57:44.935Z",
    "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": "locking/spinlock/debug: Fix data-race in do_raw_write_lock",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/spinlock/debug: Fix data-race in do_raw_write_lock\n\nKCSAN reports:\n\nBUG: KCSAN: data-race in do_raw_write_lock / do_raw_write_lock\n\nwrite (marked) to 0xffff800009cf504c of 4 bytes by task 1102 on cpu 1:\n do_raw_write_lock+0x120/0x204\n _raw_write_lock_irq\n do_exit\n call_usermodehelper_exec_async\n ret_from_fork\n\nread to 0xffff800009cf504c of 4 bytes by task 1103 on cpu 0:\n do_raw_write_lock+0x88/0x204\n _raw_write_lock_irq\n do_exit\n call_usermodehelper_exec_async\n ret_from_fork\n\nvalue changed: 0xffffffff -> 0x00000001\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 PID: 1103 Comm: kworker/u4:1 6.1.111\n\nCommit 1a365e822372 (\"locking/spinlock/debug: Fix various data races\") has\nadressed most of these races, but seems to be not consistent/not complete.\n\n>From do_raw_write_lock() only debug_write_lock_after() part has been\nconverted to WRITE_ONCE(), but not debug_write_lock_before() part.\nDo it now.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8e5b2cf10844402054b52b489b525dc30cc16908"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c228cb699a07a5f2d596d186bc5c314c99bb8bbf"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "93bd23524d63deb80fb85beb2e43fafeb1043d0f"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "39d2ef113416f1a4205b03fb0aa2e428d1412c77"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b163a5e8c703201c905d6ec7920ed79d167e8442"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "16b3590c0e1e615757dade098c8fbc0d4f040c76"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "396a9270a7b90886be501611b13aa636f2e8c703"
            },
            {
              "version": "1a365e822372ba24c9da0822bc583894f6f3d821",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c14ecb555c3ee80eeb030a4e46d00e679537f03a"
            },
            {
              "version": "3106fb78d3579c8e9c9b3040f7f7841981919624",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "c0911024ff927ba5c4786b507004cb615be1d776",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "09226e5c38639437565af01e6009a9286a351d04",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "c7673f01604fa722b9d7c1e29e17cec1b8ae09c5",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "c120c3dbeb76305235c8e557f84d9e2d7d0f5933",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.4.209",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.9.209",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.164",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.19.95",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.4.11",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.5",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "5.10.248",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.198",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.120",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.62",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.17.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}