CVE-2019-20096

MEDIUM

Linux Kernel < 5.1 - Denial of Service via Memory Leak in DCCP Feature Registration

Title source: llm
STIX 2.1

Description

In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.

References (10)

Core 10
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4285-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4287-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4286-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4287-2/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4286-1/
Broken Link, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

Scores

CVSS v3 5.5
EPSS 0.0007
EPSS Percentile 22.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (5)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
debian/debian_linux 8.0
linux/linux_kernel < 5.1
Published Dec 30, 2019
Tracked Since Feb 18, 2026