CVE-2024-43890 (GCVE-0-2024-43890)

Vulnerability from cvelistv5 – Published: 2024-08-26 10:10 – Updated: 2026-05-12 11:57
VLAI
Title
tracing: Fix overflow in get_free_elt()
Summary
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix overflow in get_free_elt() "tracing_map->next_elt" in get_free_elt() is at risk of overflowing. Once it overflows, new elements can still be inserted into the tracing_map even though the maximum number of elements (`max_elts`) has been reached. Continuing to insert elements after the overflow could result in the tracing_map containing "tracing_map->max_size" elements, leaving no empty entries. If any attempt is made to insert an element into a full tracing_map using `__tracing_map_insert()`, it will cause an infinite loop with preemption disabled, leading to a CPU hang problem. Fix this by preventing any further increments to "tracing_map->next_elt" once it reaches "tracing_map->max_elt".
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < 302ceb625d7b990db205a15e371f9a71238de91c (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18 (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < eb223bf01e688dfe37e813c8988ee11c8c9f8d0a (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < cd10d186a5409a1fe6e976df82858e9773a698da (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < 788ea62499b3c18541fd6d621964d8fafbc4aec5 (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < a172c7b22bc2feaf489cfc6d6865f7237134fdf8 (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < 236bb4690773ab6869b40bedc7bc8d889e36f9d6 (git)
Affected: 08d43a5fa063e03c860f2f391a30c388bcbc948e , < bcf86c01ca4676316557dd482c8416ece8c2e143 (git)
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Linux Linux Affected: 4.7
Unaffected: 0 , < 4.7 (semver)
Unaffected: 4.19.320 , ≤ 4.19.* (semver)
Unaffected: 5.4.282 , ≤ 5.4.* (semver)
Unaffected: 5.10.224 , ≤ 5.10.* (semver)
Unaffected: 5.15.165 , ≤ 5.15.* (semver)
Unaffected: 6.1.105 , ≤ 6.1.* (semver)
Unaffected: 6.6.46 , ≤ 6.6.* (semver)
Unaffected: 6.10.5 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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Siemens RUGGEDCOM RST2428P Affected: 0 , < V3.1 (custom)
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Siemens RUGGEDCOM RST2428P Unaffected: 0 , < * (custom)
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Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
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Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Affected: 0 , < V3.1 (custom)
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Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Unaffected: 0 , < * (custom)
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Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
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Show details on NVD website
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      "published": "2024-08-26T11:15:04.040",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/302ceb625d7b990db205a15e371f9a71238de91c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-190\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-43890\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-26T11:15:04.040\",\"lastModified\":\"2026-05-12T12:17:08.570\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntracing: Fix overflow in get_free_elt()\\n\\n\\\"tracing_map-\u003enext_elt\\\" in get_free_elt() is at risk of overflowing.\\n\\nOnce it overflows, new elements can still be inserted into the tracing_map\\neven though the maximum number of elements (`max_elts`) has been reached.\\nContinuing to insert elements after the overflow could result in the\\ntracing_map containing \\\"tracing_map-\u003emax_size\\\" elements, leaving no empty\\nentries.\\nIf any attempt is made to insert an element into a full tracing_map using\\n`__tracing_map_insert()`, it will cause an infinite loop with preemption\\ndisabled, leading to a CPU hang problem.\\n\\nFix this by preventing any further increments to \\\"tracing_map-\u003enext_elt\\\"\\nonce it reaches \\\"tracing_map-\u003emax_elt\\\".\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rastreo: corrige el desbordamiento en get_free_elt() \\\"tracing_map-\u0026gt;next_elt\\\" en get_free_elt() corre el riesgo de desbordarse. Una vez que se desborda, a\u00fan se pueden insertar nuevos elementos en tracing_map aunque se haya alcanzado el n\u00famero m\u00e1ximo de elementos (`max_elts`). Continuar insertando elementos despu\u00e9s del desbordamiento podr\u00eda dar como resultado que tracing_map contenga elementos \\\"tracing_map-\u0026gt;max_size\\\", sin dejar entradas vac\u00edas. Si se intenta insertar un elemento en un tracing_map completo usando `__tracing_map_insert()`, se producir\u00e1 un bucle infinito con la preferencia deshabilitada, lo que provocar\u00e1 un problema de bloqueo de la CPU. Solucione este problema evitando incrementos adicionales en \\\"tracing_map-\u0026gt;next_elt\\\" una vez que llegue a \\\"tracing_map-\u0026gt;max_elt\\\".\"}],\"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-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.7\",\"versionEndExcluding\":\"4.19.320\",\"matchCriteriaId\":\"A5445A05-438F-486B-AA08-94074DAF4196\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.282\",\"matchCriteriaId\":\"A8961D98-9ACF-4188-BA88-44038B14BC28\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.224\",\"matchCriteriaId\":\"5CCEDF13-293D-4E64-B501-4409D0365AFE\"},{\"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\":\"6.1.105\",\"matchCriteriaId\":\"89BEB24B-0F37-4C92-A397-564DA7CD8EE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.46\",\"matchCriteriaId\":\"FA11941E-81FB-484C-B583-881EEB488340\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.5\",\"matchCriteriaId\":\"D074AE50-4A5E-499C-A2FD-75FD60DEA560\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/302ceb625d7b990db205a15e371f9a71238de91c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a\",\"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\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-355557.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"},{\"url\":\"https://cert-portal.siemens.com/productcert/html/ssa-613116.html\",\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\"}]}}",
    "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\": \"2025-11-03T22:06:48.215Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-43890\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:29:25.469360Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:12.516Z\"}}], \"cna\": {\"title\": \"tracing: Fix overflow in get_free_elt()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"302ceb625d7b990db205a15e371f9a71238de91c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"eb223bf01e688dfe37e813c8988ee11c8c9f8d0a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"cd10d186a5409a1fe6e976df82858e9773a698da\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"788ea62499b3c18541fd6d621964d8fafbc4aec5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"a172c7b22bc2feaf489cfc6d6865f7237134fdf8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"236bb4690773ab6869b40bedc7bc8d889e36f9d6\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"08d43a5fa063e03c860f2f391a30c388bcbc948e\", \"lessThan\": \"bcf86c01ca4676316557dd482c8416ece8c2e143\", \"versionType\": \"git\"}], \"programFiles\": [\"kernel/trace/tracing_map.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.320\", \"versionType\": \"semver\", 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\"6.11\", \"versionStartIncluding\": \"4.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:31:47.785Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-43890\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:31:47.785Z\", \"dateReserved\": \"2024-08-17T09:11:59.289Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-26T10:10:43.547Z\", \"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.