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CVE-2024-41042 (GCVE-0-2024-41042)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:31 – Updated: 2026-05-11 20:25
VLAI
Title
netfilter: nf_tables: prefer nft_chain_validate
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: prefer nft_chain_validate nft_chain_validate already performs loop detection because a cycle will result in a call stack overflow (ctx->level >= NFT_JUMP_STACK_SIZE). It also follows maps via ->validate callback in nft_lookup, so there appears no reason to iterate the maps again. nf_tables_check_loops() and all its helper functions can be removed. This improves ruleset load time significantly, from 23s down to 12s. This also fixes a crash bug. Old loop detection code can result in unbounded recursion: BUG: TASK stack guard page was hit at .... Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN CPU: 4 PID: 1539 Comm: nft Not tainted 6.10.0-rc5+ #1 [..] with a suitable ruleset during validation of register stores. I can't see any actual reason to attempt to check for this from nft_validate_register_store(), at this point the transaction is still in progress, so we don't have a full picture of the rule graph. For nf-next it might make sense to either remove it or make this depend on table->validate_state in case we could catch an error earlier (for improved error reporting to userspace).
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 16:23 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < 1947e4c3346faa8ac7e343652c0fd3b3e394202f (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < cd4348e0a50286282c314ad6d2b0740e7c812c24 (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < 31c35f9f89ef585f1edb53e17ac73a0ca4a9712b (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < 8246b7466c8da49d0d9e85e26cbd69dd6d3e3d1e (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < b6b6e430470e1c3c5513311cb35a15a205595abe (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < 717c91c6ed73e248de6a15bc53adefb81446c9d0 (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < 9df785aeb7dcc8efd1d4110bb27d26005298ebae (git)
Affected: 20a69341f2d00cd042e81c82289fba8a13c05a25 , < cff3bd012a9512ac5ed858d38e6ed65f6391008c (git)
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Linux Linux Affected: 3.13
Unaffected: 0 , < 3.13 (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: 6.9.10 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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Tambi\u00e9n sigue los mapas a trav\u00e9s de -\u0026gt;validate callback en nft_lookup, por lo que no parece haber raz\u00f3n para iterar los mapas nuevamente. nf_tables_check_loops() y todas sus funciones auxiliares se pueden eliminar. Esto mejora significativamente el tiempo de carga del conjunto de reglas, de 23 a 12 segundos. Esto tambi\u00e9n corrige un error de bloqueo. El c\u00f3digo de detecci\u00f3n de bucle antiguo puede provocar una recursividad ilimitada: ERROR: La p\u00e1gina de protecci\u00f3n de pila de TAREA fue visitada en... Vaya: p\u00e1gina de protecci\u00f3n de pila: 0000 [#1] PREEMPT SMP KASAN CPU: 4 PID: 1539 Comm: nft No contaminado 6.10. 0-rc5+ #1 [..] con un conjunto de reglas adecuado durante la validaci\u00f3n de los almacenes de registros. No veo ninguna raz\u00f3n real para intentar verificar esto desde nft_validate_register_store(); en este punto, la transacci\u00f3n a\u00fan est\u00e1 en progreso, por lo que no tenemos una imagen completa del gr\u00e1fico de reglas. Para nf-next, podr\u00eda tener sentido eliminarlo o hacer que esto dependa de table-\u0026gt;validate_state en caso de que podamos detectar un error antes (para mejorar el informe de errores al espacio de usuario).\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/netfilter/nf_tables_api.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"1947e4c3346faa8ac7e343652c0fd3b3e394202f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"cd4348e0a50286282c314ad6d2b0740e7c812c24\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"31c35f9f89ef585f1edb53e17ac73a0ca4a9712b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"8246b7466c8da49d0d9e85e26cbd69dd6d3e3d1e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"b6b6e430470e1c3c5513311cb35a15a205595abe\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"717c91c6ed73e248de6a15bc53adefb81446c9d0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"9df785aeb7dcc8efd1d4110bb27d26005298ebae\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"20a69341f2d00cd042e81c82289fba8a13c05a25\",\"lessThan\":\"cff3bd012a9512ac5ed858d38e6ed65f6391008c\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/netfilter/nf_tables_api.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.13\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.13\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.320\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.282\",\"lessThanOrEqual\":\"5.4.*\",\"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\":\"6.1.105\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.46\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9.10\",\"lessThanOrEqual\":\"6.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-10T16:23:10.425038Z\",\"id\":\"CVE-2024-41042\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T08:05:25+00:00",
      "cve": "CVE-2024-41042",
      "id": "CVE-2024-41042",
      "initial_release_date": "2024-07-29T00:00:00+00:00",
      "product_status:fixed": "709",
      "product_status:known_affected": "50",
      "product_status:known_not_affected": "22",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: netfilter: nf_tables: prefer nft_chain_validate",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-41042.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T16:44:10Z",
      "cve": "CVE-2024-41042",
      "id": "CVE-2024-41042",
      "initial_release_date": "2024-08-06T02:01:52Z",
      "product_status:known_affected": "603",
      "product_status:known_not_affected": "38",
      "product_status:recommended": "588",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-41042",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-41042.json",
      "version": "116"
    },
    "vulnrichment": {
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\"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: nf_tables: prefer nft_chain_validate\\n\\nnft_chain_validate already performs loop detection because a cycle will\\nresult in a call stack overflow (ctx-\u003elevel \u003e= NFT_JUMP_STACK_SIZE).\\n\\nIt also follows maps via -\u003evalidate callback in nft_lookup, so there\\nappears no reason to iterate the maps again.\\n\\nnf_tables_check_loops() and all its helper functions can be removed.\\nThis improves ruleset load time significantly, from 23s down to 12s.\\n\\nThis also fixes a crash bug. Old loop detection code can result in\\nunbounded recursion:\\n\\nBUG: TASK stack guard page was hit at ....\\nOops: stack guard page: 0000 [#1] PREEMPT SMP KASAN\\nCPU: 4 PID: 1539 Comm: nft Not tainted 6.10.0-rc5+ #1\\n[..]\\n\\nwith a suitable ruleset during validation of register stores.\\n\\nI can\u0027t see any actual reason to attempt to check for this from\\nnft_validate_register_store(), at this point the transaction is still in\\nprogress, so we don\u0027t have a full picture of the rule graph.\\n\\nFor nf-next it might make sense to either remove it or make this depend\\non table-\u003evalidate_state in case we could catch an error earlier\\n(for improved error reporting to userspace).\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.320\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.282\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.224\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.165\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.105\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.46\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.10\", \"versionStartIncluding\": \"3.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"3.13\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:20:46.322Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-41042\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T21:59:42.488Z\", \"dateReserved\": \"2024-07-12T12:17:45.624Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-07-29T14:31:55.530Z\", \"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

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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.