CVE-2019-3874

MEDIUMNVD 6.56.5—

6.5

The SCTP socket buffer used by a userspace application is not accounted by the cgroups subsystem. An attacker can use this flaw to cause a denial of service attack. Kernel 3.10.x and 4.18.x branches are believed to be vulnerable.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 40.6%
KEV: Not listed

Published

March 25, 2019

Last Modified

November 21, 2024

References (26)

secalert@redhathttps://access.redhat.com/errata/RHSA-2019:3309
secalert@redhathttps://access.redhat.com/errata/RHSA-2019:3517
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874
secalert@redhathttps://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
secalert@redhathttps://security.netapp.com/advisory/ntap-20190411-0003/
secalert@redhathttps://usn.ubuntu.com/3979-1/
secalert@redhathttps://usn.ubuntu.com/3980-1/
secalert@redhathttps://usn.ubuntu.com/3980-2/
secalert@redhathttps://usn.ubuntu.com/3981-1/
secalert@redhathttps://usn.ubuntu.com/3981-2/
secalert@redhathttps://usn.ubuntu.com/3982-1/
secalert@redhathttps://usn.ubuntu.com/3982-2/
secalert@redhathttps://www.oracle.com/security-alerts/cpuApr2021.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3309
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3517

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-virtual-lts-xenial (4.4.0.148.156) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-4.18.0-1012-kvm (4.18.0-1012.12) @ cosmic	2026-05-27	ubuntu
ubuntu	linux-image-virtual-lts-xenial (4.4.0.148.130) @ trusty	2026-05-27	ubuntu
ubuntu	linux-image-virtual-hwe-16.04-edge (4.15.0.50.52) @ bionic	2026-05-27	ubuntu
ubuntu	linux-image-virtual-hwe-16.04 (4.15.0.50.71) @ xenial	2026-05-27	ubuntu
ubuntu	linux-image-virtual-hwe-18.04 (4.18.0.20.70) @ bionic	2026-05-27	ubuntu
ubuntu	linux-image-5.0.0-1006-azure (5.0.0-1006.6) @ disco	2026-05-27	ubuntu
redhat	kernel-rt-0:4.18.0-147.rt24.93.el8	2019-11-05	redhat
redhat	kernel-0:4.18.0-147.el8	2019-11-05	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-400Uncontrolled Resource Consumption (Denial of Service)

All Vendor Advisories

(9)

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 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 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 21:27 UTCEG score recompute
2026-05-27 21:27 UTCVendor advisory
2026-05-27 21:27 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-3874?

CVE-2019-3874 is a medium vulnerability published on March 25, 2019. The SCTP socket buffer used by a userspace application is not accounted by the cgroups subsystem. An attacker can use this flaw to cause a denial of service attack. Kernel 3.10.x and 4.18.x branches are believed to be vulnerable.

When was CVE-2019-3874 disclosed?

CVE-2019-3874 was first published in the National Vulnerability Database on March 25, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-3874 actively exploited?

CVE-2019-3874 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-3874?

CVE-2019-3874 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2019-3874?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-3874, 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-2019-3874

Published

Last Modified

References (26)

Patch Availability(9)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-3874?

Same vendor

Same CWE

CVE-2019-3874

📅 Published

🔄 Last Modified

🔗 References (26)

Patch Availability(9)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-3874?

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References (26)

Frequently asked(5)

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