CVE-2024-43828 (GCVE-0-2024-43828)

Vulnerability from cvelistv5 – Published: 2024-08-17 09:21 – Updated: 2026-05-12 11:56
VLAI
Title
ext4: fix infinite loop when replaying fast_commit
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: fix infinite loop when replaying fast_commit When doing fast_commit replay an infinite loop may occur due to an uninitialized extent_status struct. ext4_ext_determine_insert_hole() does not detect the replay and calls ext4_es_find_extent_range(), which will return immediately without initializing the 'es' variable. Because 'es' contains garbage, an integer overflow may happen causing an infinite loop in this function, easily reproducible using fstest generic/039. This commit fixes this issue by unconditionally initializing the structure in function ext4_es_find_extent_range(). Thanks to Zhang Yi, for figuring out the real problem!
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 , < 5ed0496e383cb6de120e56991385dce70bbb87c1 (git)
Affected: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 , < 0619f7750f2b178a1309808832ab20d85e0ad121 (git)
Affected: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 , < 181e63cd595c688194e07332f9944b3a63193de2 (git)
Affected: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 , < c6e67df64783e99a657ef2b8c834ba2bf54c539c (git)
Affected: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 , < 81f819c537d29932e4b9267f02411cbc8b355178 (git)
Affected: 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 , < 907c3fe532253a6ef4eb9c4d67efb71fab58c706 (git)
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Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.224 , ≤ 5.10.* (semver)
Unaffected: 5.15.165 , ≤ 5.15.* (semver)
Unaffected: 6.1.103 , ≤ 6.1.* (semver)
Unaffected: 6.6.44 , ≤ 6.6.* (semver)
Unaffected: 6.10.3 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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Debido a que \u0027es\u0027 contiene basura, puede ocurrir un desbordamiento de enteros causando un bucle infinito en esta funci\u00f3n, f\u00e1cilmente reproducible usando fstest generic/039. Esta confirmaci\u00f3n soluciona este problema inicializando incondicionalmente la estructura en la funci\u00f3n ext4_es_find_extent_range(). \u00a1Gracias a Zhang Yi por descubrir el verdadero problema!\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10\",\"versionEndExcluding\":\"5.10.224\",\"matchCriteriaId\":\"3723F85C-99C4-4BA1-A411-426E0591769E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"B4E2B568-3171-41DE-B519-F2B1A3600D94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.103\",\"matchCriteriaId\":\"E45EAC72-8329-4F99-8276-86AF9BB3496A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.44\",\"matchCriteriaId\":\"CC912330-6B41-4C6B-99AF-F3857FBACB6A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.3\",\"matchCriteriaId\":\"92D388F2-1EAF-4CFA-AC06-5B26D762EA7D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0619f7750f2b178a1309808832ab20d85e0ad121\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/181e63cd595c688194e07332f9944b3a63193de2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5ed0496e383cb6de120e56991385dce70bbb87c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/81f819c537d29932e4b9267f02411cbc8b355178\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/907c3fe532253a6ef4eb9c4d67efb71fab58c706\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c6e67df64783e99a657ef2b8c834ba2bf54c539c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-265688.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "vulnrichment": {
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\"dateUpdated\": \"2026-05-11T20:30:35.788Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-43828\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:30:35.788Z\", \"dateReserved\": \"2024-08-17T09:11:59.273Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-17T09:21:47.429Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.