{
  "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-2025-38337",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38337",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-07-10T08:15:08.396Z",
    "updatedAt": "2026-05-11T21:26:02.409Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "jbd2: fix data-race and null-ptr-deref in jbd2_journal_dirty_metadata()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: fix data-race and null-ptr-deref in jbd2_journal_dirty_metadata()\n\nSince handle->h_transaction may be a NULL pointer, so we should change it\nto call is_handle_aborted(handle) first before dereferencing it.\n\nAnd the following data-race was reported in my fuzzer:\n\n==================================================================\nBUG: KCSAN: data-race in jbd2_journal_dirty_metadata / jbd2_journal_dirty_metadata\n\nwrite to 0xffff888011024104 of 4 bytes by task 10881 on cpu 1:\n jbd2_journal_dirty_metadata+0x2a5/0x770 fs/jbd2/transaction.c:1556\n __ext4_handle_dirty_metadata+0xe7/0x4b0 fs/ext4/ext4_jbd2.c:358\n ext4_do_update_inode fs/ext4/inode.c:5220 [inline]\n ext4_mark_iloc_dirty+0x32c/0xd50 fs/ext4/inode.c:5869\n __ext4_mark_inode_dirty+0xe1/0x450 fs/ext4/inode.c:6074\n ext4_dirty_inode+0x98/0xc0 fs/ext4/inode.c:6103\n....\n\nread to 0xffff888011024104 of 4 bytes by task 10880 on cpu 0:\n jbd2_journal_dirty_metadata+0xf2/0x770 fs/jbd2/transaction.c:1512\n __ext4_handle_dirty_metadata+0xe7/0x4b0 fs/ext4/ext4_jbd2.c:358\n ext4_do_update_inode fs/ext4/inode.c:5220 [inline]\n ext4_mark_iloc_dirty+0x32c/0xd50 fs/ext4/inode.c:5869\n __ext4_mark_inode_dirty+0xe1/0x450 fs/ext4/inode.c:6074\n ext4_dirty_inode+0x98/0xc0 fs/ext4/inode.c:6103\n....\n\nvalue changed: 0x00000000 -> 0x00000001\n==================================================================\n\nThis issue is caused by missing data-race annotation for jh->b_modified.\nTherefore, the missing annotation needs to be added.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5c1a34ff5b0bfdfd2f9343aa9b08d25df618bac5"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ec669e5bf409f16e464bfad75f0ba039a45de29a"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "43d5e3bb5f1dcd91e30238ea0b59a5f77063f84e"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "23361b479f2700c00960d3ae9cdc8ededa762d47"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2e7c64d7a92c031d016f11c8e8cb05131ab7b75a"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f78b38af3540b4875147b7b884ee11a27b3dbf4c"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a377996d714afb8d4d5f4906336f78510039da29"
            },
            {
              "version": "6e06ae88edae77379bef7c0cb7d3c2dd88676867",
              "status": "affected",
              "versionType": "git",
              "lessThan": "af98b0157adf6504fade79b3e6cb260c4ff68e37"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.3"
            },
            {
              "version": "5.4.295",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.239",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.186",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.142",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.95",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.35",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.15.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.15.*"
            },
            {
              "version": "6.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}