CVE-2019-20096Missing Release of Memory after Effective Lifetime in Kernel

Severity
5.5MEDIUMNVD
EPSS
0.1%
top 77.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 30
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

Debianlinux/linux_kernel< 5.2.6-1+3
Ubuntulinux/linux_kernel< 4.4.0-174.204+1
debiandebian/linux< linux 5.2.6-1 (bookworm)

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04, 18.04

Patches

🔴Vulnerability Details

7
GHSA
GHSA-m85g-mhqp-wcwm: In the Linux kernel before 52022-05-24
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities2020-02-18
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities2020-02-18
OSV
linux-azure vulnerabilities2020-02-18
OSV
linux-lts-xenial, linux-aws vulnerabilities2020-02-18

📋Vendor Advisories

7
Ubuntu
Linux kernel vulnerabilities2020-02-18
Ubuntu
Linux kernel vulnerabilities2020-02-18
Ubuntu
Linux kernel (Azure) vulnerabilities2020-02-18
Ubuntu
Linux kernel vulnerabilities2020-02-18
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities2020-02-18

💬Community

2
Bugzilla
CVE-2019-20096 kernel: memory leak in __feat_register_sp() in net/dccp/feat.c [fedora-all]2020-01-16
Bugzilla
CVE-2019-20096 kernel: memory leak in __feat_register_sp() in net/dccp/feat.c2020-01-16