CVE-2023-52804 (GCVE-0-2023-52804)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:31 – Updated: 2026-01-05 10:17
VLAI?
Title
fs/jfs: Add validity check for db_maxag and db_agpref
Summary
In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add validity check for db_maxag and db_agpref Both db_maxag and db_agpref are used as the index of the db_agfree array, but there is currently no validity check for db_maxag and db_agpref, which can lead to errors. The following is related bug reported by Syzbot: UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:639:20 index 7936 is out of range for type 'atomic_t[128]' Add checking that the values of db_maxag and db_agpref are valid indexes for the db_agfree array.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a0649e2dd4a3595b5595a29d0064d047c2fae2fb (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ce15b0f1a431168f07b1cc6c9f71206a2db5c809 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 32bd8f1cbcf8b663e29dd1f908ba3a129541a11b (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c6c8863fb3f57700ab583d875adda04caaf2278a (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1f74d336990f37703a8eee77153463d65b67f70e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 5013f8269887642cca784adc8db9b5f0b771533f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < dca403bb035a565bb98ecc1dda5d30f676feda40 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2323de34a3ae61a9f9b544c18583f71cea86721f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 64933ab7b04881c6c18b21ff206c12278341c72e (git)
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    Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.14.331 , ≤ 4.14.* (semver)
Unaffected: 4.19.300 , ≤ 4.19.* (semver)
Unaffected: 5.4.262 , ≤ 5.4.* (semver)
Unaffected: 5.10.202 , ≤ 5.10.* (semver)
Unaffected: 5.15.140 , ≤ 5.15.* (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
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\"https://git.kernel.org/stable/c/64933ab7b04881c6c18b21ff206c12278341c72e\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfs/jfs: Add validity check for db_maxag and db_agpref\\n\\nBoth db_maxag and db_agpref are used as the index of the\\ndb_agfree array, but there is currently no validity check for\\ndb_maxag and db_agpref, which can lead to errors.\\n\\nThe following is related bug reported by Syzbot:\\n\\nUBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:639:20\\nindex 7936 is out of range for type \u0027atomic_t[128]\u0027\\n\\nAdd checking that the values of db_maxag and db_agpref are valid\\nindexes for the db_agfree array.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.331\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.300\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.262\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.202\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.140\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.64\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5.13\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.3\", \"versionStartIncluding\": \"2.6.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7\", \"versionStartIncluding\": \"2.6.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:17:18.585Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52804\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:17:18.585Z\", \"dateReserved\": \"2024-05-21T15:19:24.247Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:31:15.720Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.