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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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:08 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
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)
guessed Create a notification for this product.
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)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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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!\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/ext4/extents_status.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2\",\"lessThan\":\"5ed0496e383cb6de120e56991385dce70bbb87c1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2\",\"lessThan\":\"0619f7750f2b178a1309808832ab20d85e0ad121\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2\",\"lessThan\":\"181e63cd595c688194e07332f9944b3a63193de2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2\",\"lessThan\":\"c6e67df64783e99a657ef2b8c834ba2bf54c539c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2\",\"lessThan\":\"81f819c537d29932e4b9267f02411cbc8b355178\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2\",\"lessThan\":\"907c3fe532253a6ef4eb9c4d67efb71fab58c706\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/ext4/extents_status.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.10\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.10\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.224\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.165\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.103\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.44\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10.3\",\"lessThanOrEqual\":\"6.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-10T16:08:37.888244Z\",\"id\":\"CVE-2024-43828\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"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\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T08:05:55+00:00",
      "cve": "CVE-2024-43828",
      "id": "CVE-2024-43828",
      "initial_release_date": "2024-08-17T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "64",
      "product_status:known_not_affected": "48",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext4: fix infinite loop when replaying fast_commit",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-43828.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T02:27:28Z",
      "cve": "CVE-2024-43828",
      "id": "CVE-2024-43828",
      "initial_release_date": "2024-08-18T02:01:50Z",
      "product_status:known_affected": "410",
      "product_status:known_not_affected": "254",
      "product_status:recommended": "675",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-43828",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-43828.json",
      "version": "64"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:05:09.355Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-43828\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:08:37.888244Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:23.176Z\"}}], \"cna\": {\"title\": \"ext4: fix infinite loop when replaying fast_commit\", \"affected\": 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[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\next4: fix infinite loop when replaying fast_commit\\n\\nWhen doing fast_commit replay an infinite loop may occur due to an\\nuninitialized extent_status struct.  ext4_ext_determine_insert_hole() does\\nnot detect the replay and calls ext4_es_find_extent_range(), which will\\nreturn immediately without initializing the \u0027es\u0027 variable.\\n\\nBecause \u0027es\u0027 contains garbage, an integer overflow may happen causing an\\ninfinite loop in this function, easily reproducible using fstest generic/039.\\n\\nThis commit fixes this issue by unconditionally initializing the structure\\nin function ext4_es_find_extent_range().\\n\\nThanks to Zhang Yi, for figuring out the real problem!\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": 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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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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.