CVE-2024-45018

MEDIUMNVD 5.55.5—

5.5

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

netfilter: flowtable: initialise extack before use

Fix missing initialisation of extack in flow offload.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.0%
KEV: Not listed

Published

September 11, 2024

Last Modified

May 12, 2026

References (9)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/119be227bc04f5035efa64cb823b8a5ca5e2d1c1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/356beb911b63a8cff34cb57f755c2a2d2ee9dec7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7eafeec6be68ebd6140a830ce9ae68ad5b67ec78
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c7b760499f7791352b49b11667ed04b23d7f5b0f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e5ceff2196dc633c995afb080f6f44a72cff6e1d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e9767137308daf906496613fd879808a07f006a2
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html

Vendor Advisories for CVE-2024-45018(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2024-45018
Microsoft Security Response Center (MSRC)Medium
netfilter: flowtable: initialise extack before use

Patch Availability(14)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-tools-azure-lts-22.04 (5.15.0.1075.73) @ jammy	2026-05-21	ubuntu
ubuntu	linux-virtual-hwe-24.04 (6.8.0-50.51) @ noble	2026-05-21	ubuntu
ubuntu	linux-tools-nvidia-lowlatency-64k (6.8.0-1019.21.1) @ noble	2026-05-21	ubuntu
ubuntu	linux-virtual-hwe-22.04-edge (6.8.0-50.51~22.04.1) @ jammy	2026-05-21	ubuntu
ubuntu	linux-tools-azure-edge (5.15.0.1078.87~20.04.1) @ focal	2026-05-21	ubuntu
ubuntu	linux-tools-azure (6.8.0-1020.23) @ noble	2026-05-21	ubuntu
ubuntu	linux-tools-gkeop-6.8 (6.8.0-1002.4) @ noble	2026-05-21	ubuntu
ubuntu	linux-xilinx-zynqmp-tools-host (5.15.0-1038.42) @ jammy	2026-05-21	ubuntu
ubuntu	linux-tools-aws-lts-22.04 (5.15.0.1072.72) @ jammy	2026-05-21	ubuntu
ubuntu	linux-tools-intel-iotg (5.15.0.1067.67) @ jammy	2026-05-21	ubuntu
redhat	kernel-0:5.14.0-503.16.1.el9_5	2024-12-11	redhat
redhat	kernel-0:4.18.0-553.27.1.el8_10	2024-11-05	redhat
redhat	kernel-rt-0:4.18.0-553.27.1.rt7.368.el8_10	2024-11-05	redhat
redhat	kernel-0:5.14.0-427.42.1.el9_4	2024-10-30	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-665

Additional Vendor Advisories

(14)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2024-45018?

CVE-2024-45018 is a medium vulnerability published on September 11, 2024. In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: initialise extack before use Fix missing initialisation of extack in flow offload.

When was CVE-2024-45018 disclosed?

CVE-2024-45018 was first published in the National Vulnerability Database on September 11, 2024, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-45018 actively exploited?

CVE-2024-45018 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-45018?

CVE-2024-45018 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2024-45018?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-45018, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2024-45018

Published

Last Modified

References (9)

Vendor Advisories for CVE-2024-45018(1)

Patch Availability(14)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-45018?

Same vendor

Same CWE

CVE-2024-45018

📅 Published

🔄 Last Modified

🔗 References (9)

📣 Vendor Advisories for CVE-2024-45018(1)

Patch Availability(14)

Weakness Classification(1)

Additional Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-45018?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (9)

Vendor Advisories for CVE-2024-45018(1)

Frequently asked(5)

Related CVEs(same vendor + same CWE)