{
  "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-2023-52604",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52604",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-06T06:45:30.246Z",
    "updatedAt": "2026-08-05T09:10:38.965Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nFS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree\n\nSyzkaller reported the following issue:\n\nUBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2867:6\nindex 196694 is out of range for type 's8[1365]' (aka 'signed char[1365]')\nCPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n ubsan_epilogue lib/ubsan.c:217 [inline]\n __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348\n dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867\n dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834\n dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331\n dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]\n dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402\n txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534\n txUpdateMap+0x342/0x9e0\n txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\n jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732\n kthread+0x2d3/0x370 kernel/kthread.c:388\n ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304\n </TASK>\n================================================================================\nKernel panic - not syncing: UBSAN: panic_on_warn set ...\nCPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n panic+0x30f/0x770 kernel/panic.c:340\n check_panic_on_warn+0x82/0xa0 kernel/panic.c:236\n ubsan_epilogue lib/ubsan.c:223 [inline]\n __ubsan_handle_out_of_bounds+0x13c/0x150 lib/ubsan.c:348\n dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867\n dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834\n dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331\n dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]\n dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402\n txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534\n txUpdateMap+0x342/0x9e0\n txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\n jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732\n kthread+0x2d3/0x370 kernel/kthread.c:388\n ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304\n </TASK>\nKernel Offset: disabled\nRebooting in 86400 seconds..\n\nThe issue is caused when the value of lp becomes greater than\nCTLTREESIZE which is the max size of stree. Adding a simple check\nsolves this issue.\n\nDave:\nAs the function returns a void, good error handling\nwould require a more intrusive code reorganization, so I modified\nOsama's patch at use WARN_ON_ONCE for lack of a cleaner option.\n\nThe patch is tested via syzbot.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3e95c6850661c77e6dab079d9b5374a618ebb15"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98f9537fe61b8382b3cc5dd97347531698517c56"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "de34de6e57bbbc868e4fcf9e98c76b3587cabb0b"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6fe8b702125aeee6ce83f20092a2341446704e7b"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "42f433785f108893de0dd5260bafb85d7d51db03"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6a44065dd604972ec1fbcccbdc4a70d266a89cdd"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "59342822276f753e49d27ef5eebffbba990572b9"
            },
            {
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9862ec7ac1cbc6eb5ee4a045b5d5b8edbb2f7e68"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.12"
            },
            {
              "version": "4.19.307",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.269",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.210",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.149",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.77",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}