CVE-2024-45010 (GCVE-0-2024-45010)

Vulnerability from cvelistv5 – Published: 2024-09-11 15:13 – Updated: 2026-05-11 20:33
VLAI
Title
mptcp: pm: only mark 'subflow' endp as available
Summary
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: only mark 'subflow' endp as available Adding the following warning ... WARN_ON_ONCE(msk->pm.local_addr_used == 0) ... before decrementing the local_addr_used counter helped to find a bug when running the "remove single address" subtest from the mptcp_join.sh selftests. Removing a 'signal' endpoint will trigger the removal of all subflows linked to this endpoint via mptcp_pm_nl_rm_addr_or_subflow() with rm_type == MPTCP_MIB_RMSUBFLOW. This will decrement the local_addr_used counter, which is wrong in this case because this counter is linked to 'subflow' endpoints, and here it is a 'signal' endpoint that is being removed. Now, the counter is decremented, only if the ID is being used outside of mptcp_pm_nl_rm_addr_or_subflow(), only for 'subflow' endpoints, and if the ID is not 0 -- local_addr_used is not taking into account these ones. This marking of the ID as being available, and the decrement is done no matter if a subflow using this ID is currently available, because the subflow could have been closed before.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 06faa22710342bca5e9c249634199c650799fce6 , < 7fdc870d08960961408a44c569f20f50940e7d4f (git)
Affected: 06faa22710342bca5e9c249634199c650799fce6 , < 43cf912b0b0fc7b4fd12cbc735d1f5afb8e1322d (git)
Affected: 06faa22710342bca5e9c249634199c650799fce6 , < 9849cfc67383ceb167155186f8f8fe8a896b60b3 (git)
Affected: 06faa22710342bca5e9c249634199c650799fce6 , < 322ea3778965da72862cca2a0c50253aacf65fe6 (git)
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Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 6.1.108 , ≤ 6.1.* (semver)
Unaffected: 6.6.48 , ≤ 6.6.* (semver)
Unaffected: 6.10.7 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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This will decrement the local_addr_used\\ncounter, which is wrong in this case because this counter is linked to\\n\u0027subflow\u0027 endpoints, and here it is a \u0027signal\u0027 endpoint that is being\\nremoved.\\n\\nNow, the counter is decremented, only if the ID is being used outside\\nof mptcp_pm_nl_rm_addr_or_subflow(), only for \u0027subflow\u0027 endpoints, and\\nif the ID is not 0 -- local_addr_used is not taking into account these\\nones. This marking of the ID as being available, and the decrement is\\ndone no matter if a subflow using this ID is currently available,\\nbecause the subflow could have been closed before.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.108\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.48\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.7\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"5.13\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:30:57.476Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-45010\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:15:16.770Z\", \"dateReserved\": \"2024-08-21T05:34:56.681Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-11T15:13:48.358Z\", \"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.