CVE-2023-45871

HIGHNVD 7.59.8▲

7.5

An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3. A buffer size may not be adequate for frames larger than the MTU.

CVSS v3: 7.5
EG Score: 9.8(medium)
EPSS: 7.6%
KEV: Not listed

Published

October 15, 2023

Last Modified

May 5, 2025

References (8)

cve@mitrehttps://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3
cve@mitrehttps://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb5ed01cd2428cd25b1c88a3a9cba87055eb289f
cve@mitrehttps://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
cve@mitrehttps://security.netapp.com/advisory/ntap-20231110-0001/
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb5ed01cd2428cd25b1c88a3a9cba87055eb289f
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231110-0001/

Patch Availability(22)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-virtual-hwe-16.04-edge (4.15.0.220.4) @ xenial	2026-05-24	ubuntu
ubuntu	linux-virtual-hwe-20.04-edge (5.15.0.89.86) @ jammy	2026-05-24	ubuntu
ubuntu	linux-virtual-hwe-22.04-edge (6.2.0.37.38~22.04.15) @ jammy	2026-05-24	ubuntu
ubuntu	linux-virtual-hwe-18.04-edge (5.4.0.167.184~18.04.135) @ bionic	2026-05-24	ubuntu
redhat	kernel-rt-0:3.10.0-1160.114.2.rt56.1266.el7	2024-03-14	redhat
redhat	kpatch-patch	2024-03-13	redhat
redhat	kernel-0:3.10.0-1160.114.2.el7	2024-03-12	redhat
redhat	kernel-rt-0:4.18.0-193.128.1.rt13.179.el8_2	2024-03-12	redhat
redhat	kernel-0:4.18.0-193.128.1.el8_2	2024-03-12	redhat
redhat	kernel-0:3.10.0-1062.85.1.el7	2024-02-27	redhat
redhat	kernel-0:3.10.0-957.111.1.el7	2024-02-26	redhat
redhat	kernel-rt-0:4.18.0-513.18.1.rt7.320.el8_9	2024-02-20	redhat
redhat	kernel-0:4.18.0-513.18.1.el8_9	2024-02-20	redhat
redhat	kernel-rt-0:4.18.0-305.120.1.rt7.196.el8_4	2024-01-30	redhat
redhat	kernel-0:4.18.0-305.120.1.el8_4	2024-01-30	redhat
redhat	kernel-0:4.18.0-477.43.1.el8_8	2024-01-30	redhat
redhat	kernel-0:5.14.0-70.85.1.el9_0	2024-01-25	redhat
redhat	kernel-0:4.18.0-372.87.1.el8_6	2024-01-25	redhat
redhat	kernel-rt-0:5.14.0-70.85.1.rt21.156.el9_0	2024-01-25	redhat
redhat	kernel-0:5.14.0-284.48.1.el9_2	2024-01-25	redhat
redhat	kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2	2024-01-25	redhat
redhat	kernel-0:5.14.0-362.13.1.el9_3	2023-12-12	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(2)

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

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 19× 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.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 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
2026-05-24 15:51 UTCEG score recompute
2026-05-24 15:51 UTCVendor advisory
2026-05-24 15:51 UTCGHSA enrichment
2026-05-24 05:27 UTCOSV refresh

Frequently asked(5)

What is CVE-2023-45871?

CVE-2023-45871 is a high vulnerability published on October 15, 2023. An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3. A buffer size may not be adequate for frames larger than the MTU.

When was CVE-2023-45871 disclosed?

CVE-2023-45871 was first published in the National Vulnerability Database on October 15, 2023, with the most recent update on May 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-45871 actively exploited?

CVE-2023-45871 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-45871?

CVE-2023-45871 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2023-45871?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-45871, 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.

Dependency Blast Radius

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CVE-2023-45871

Published

Last Modified

References (8)

Patch Availability(22)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-45871?

Same vendor

Same CWE

CVE-2023-45871

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(22)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-45871?

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Frequently asked(5)

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