CVE-2024-45010

MPTCP disruption via signal-endpoint counter decrement

Published Sep 11, 2024 · Updated May 11, 2026

Improper MPTCP endpoint accounting in Linux allows local users to interrupt service by removing a configured signal endpoint. mptcp_pm_nl_rm_addr_or_subflow treats that removal as a subflow removal and wrongly decrements local_addr_used, a counter reserved for subflow endpoints. Local low-privilege access and a configured MPTCP signal endpoint are required; the published impact is limited to availability.

CVSS severity5.5
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper MPTCP endpoint accounting in Linux allows local users to interrupt service by removing a configured signal endpoint. mptcp_pm_nl_rm_addr_or_subflow treats that removal as a subflow removal and wrongly decrements local_addr_used, a counter reserved for subflow endpoints. Local low-privilege access and a configured MPTCP signal endpoint are required; the published impact is limited to availability.

The record

CVE
CVE-2024-45010
Published
Sep 11, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 11, 2024CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=06faa22710342bca5e9c249634199c650799fce6 <322ea3778965da72862cca2a0c50253aacf65fe6
  2. Affected versionversion=06faa22710342bca5e9c249634199c650799fce6 <43cf912b0b0fc7b4fd12cbc735d1f5afb8e1322d
  3. Affected versionversion=06faa22710342bca5e9c249634199c650799fce6 <7fdc870d08960961408a44c569f20f50940e7d4f
  4. Affected versionversion=06faa22710342bca5e9c249634199c650799fce6 <9849cfc67383ceb167155186f8f8fe8a896b60b3
  5. Affected versionversion=5.13

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=06faa22710342bca5e9c249634199c650799fce6 <322ea3778965da72862cca2a0c50253aacf65fe6; version=06faa22710342bca5e9c249634199c650799fce6 <43cf912b0b0fc7b4fd12cbc735d1f5afb8e1322d; version=06faa22710342bca5e9c249634199c650799fce6 <7fdc870d08960961408a44c569f20f50940e7d4f; version=06faa22710342bca5e9c249634199c650799fce6 <9849cfc67383ceb167155186f8f8fe8a896b60b3; version=5.13

Published CVSS scores

5.5OracleCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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