Resource exhaustion in Linux Kernel
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Linux Kernel
- NetApp Active Iq Unified Manager For VMware Vsphere
- NetApp Cn1610
- NetApp Cn1610 Firmware
- NetApp Hci Management Node
- NetApp Snapprotect
- NetApp Solidfire
- The Linux Foundation Kernel — versions 3.10.x and 4.18.x
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3981-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3980-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3979-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3982-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3982-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3980-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3981-2/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:3309 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:3517 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/09/msg00025.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-3874?
- CVE-2019-3874 is a medium-severity vulnerability in Linux Kernel, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2019-03-25.
- How severe is CVE-2019-3874?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-3874 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.