---
id: CVE-2024-44944
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfilter: ctnetlink: use helper function to calculate expect ID

  Delete expectation path is missing a call to the nf_expect_get_id()
  helper function to calculate the e…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfilter: ctnetlink: use helper function to calculate expect ID

  Delete expectation path is missing a call to the nf_expect_get_id()
  helper function to calculate the e…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-401
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 5.2, < 5.4.282'
  - 'linux_kernel >= 5.5, < 5.10.224'
  - 'linux_kernel >= 5.11, < 5.15.165'
  - 'linux_kernel >= 5.16, < 6.1.103'
  - 'linux_kernel >= 6.2, < 6.6.44'
  - 'linux_kernel >= 6.7, < 6.10.3'
  - linux_kernel = 4.19.320
  - linux_kernel = 5.1
patched:
  - linux_kernel 6.10.3
published: '2024-08-30'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T01:18:49.887'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-44944'
references:
  - url: 'https://git.kernel.org/stable/c/24f407042cf90b0872de667460230d8d50c06c39'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/27662b46f2adaa52c1665a82af4b21c42c4337fd'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5e2c24f7b0911b15c29aefce760bcf770542fb61'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/64c0b8e64be8368617ef08dfc59a3160563a1435'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/66e7650dbbb8e236e781c670b167edc81e771450'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/74de442b8e12a207c07953ee068009a7701aff8f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/782161895eb4ac45cf7cfa8db375bd4766cb8299'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/eb4ca1a97e08ff5b920664ba292e576257e2d184'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-24-1182/'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-265688.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-355557.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-613116.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.00239
epssPercentile: 0.14937
zeroDay: true
ingestedAt: '2026-10-15T03:30:12.738Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-09-10T15:27:16.326567Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

netfilter: ctnetlink: use helper function to calculate expect ID

Delete expectation path is missing a call to the nf_expect_get_id()
helper function to calculate the expectation ID, otherwise LSB of the
expectation object address is leaked to userspace.

## Affected

- `linux_kernel >= 5.2, < 5.4.282`
- `linux_kernel >= 5.5, < 5.10.224`
- `linux_kernel >= 5.11, < 5.15.165`
- `linux_kernel >= 5.16, < 6.1.103`
- `linux_kernel >= 6.2, < 6.6.44`
- `linux_kernel >= 6.7, < 6.10.3`
- `linux_kernel = 4.19.320`
- `linux_kernel = 5.1`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.10.3`