CVE-2019-3874
MEDIUMCVSS 6.5/10EPSS 1.77%
Last modified
CVE-2019-3874 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 1.77% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.10.1, <= 3.10.108 |
| Linux | Linux Kernel | >= 4.18.1, <= 4.18.20 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Canonical | Ubuntu Linux | 19.04 |
| Netapp | Active Iq Unified Manager For Vmware Vsphere | >= 9.5 |
| Netapp | Hci Management Node | All versions |
| Netapp | Snapprotect | All versions |
| Netapp | Solidfire | All versions |
| Netapp | Cn1610 Firmware | All versions |
References
- https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190411-0003/Third Party Advisory
- https://usn.ubuntu.com/3979-1/Third Party Advisory
- https://usn.ubuntu.com/3980-1/Third Party Advisory
- https://usn.ubuntu.com/3980-2/Third Party Advisory
- https://usn.ubuntu.com/3981-1/Third Party Advisory
- https://usn.ubuntu.com/3981-2/Third Party Advisory
- https://usn.ubuntu.com/3982-1/Third Party Advisory
- https://usn.ubuntu.com/3982-2/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190411-0003/Third Party Advisory
- https://usn.ubuntu.com/3979-1/Third Party Advisory
- https://usn.ubuntu.com/3980-1/Third Party Advisory
- https://usn.ubuntu.com/3980-2/Third Party Advisory
- https://usn.ubuntu.com/3981-1/Third Party Advisory
- https://usn.ubuntu.com/3981-2/Third Party Advisory
- https://usn.ubuntu.com/3982-1/Third Party Advisory
- https://usn.ubuntu.com/3982-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-3874?
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.
How severe is CVE-2019-3874?
CVE-2019-3874 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3874?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-3874?
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