UBUNTU-CVE-2019-19462

Advisory lineage Upstream: 1 Downstream: 4
Published: 30 Nov 2019, 01:15
Last modified:03 Jun 2026, 13:33

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Nov 2019, 01:15
Published
Vulnerability first disclosed
03 Jun 2026, 13:33
Last Modified
Vulnerability information updated

Description

relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.

CVSS Metrics

  • v3.1MEDIUMScore: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntulinux

    < 4.15.0-109.110 | < 5.4.0-42.46

  • ubuntulinux-aws

    < 4.15.0-1077.81 | < 5.4.0-1020.20

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.3

    < 5.3.0-1032.34~18.04.2

  • ubuntulinux-aws-fips

    < 4.15.0-2022.22 | all

  • ubuntulinux-aws-hwe

    < 4.15.0-1079.83~16.04.1

  • ubuntulinux-azure

    < 4.15.0-1091.101~14.04.1 | < 4.15.0-1091.101~16.04.1 | all | < 5.4.0-1022.22

  • ubuntulinux-azure-4.15

    < 4.15.0-1091.101

  • ubuntulinux-azure-5.3

    < 5.3.0-1034.35~18.04.1

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fde

    all

  • ubuntulinux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntulinux-bluefield

    all

  • ubuntulinux-fips

    < 4.15.0-1037.42

  • ubuntulinux-gcp

    < 4.15.0-1080.90~16.04.1 | all | < 5.4.0-1021.21

  • ubuntulinux-gcp-4.15

    < 4.15.0-1080.90

  • ubuntulinux-gcp-5.3

    < 5.3.0-1032.34~18.04.1

  • ubuntulinux-gcp-edge

    all

  • ubuntulinux-gcp-fips

    all

  • ubuntulinux-gke

    all

  • ubuntulinux-gke-4.15

    < 4.15.0-1066.69

  • ubuntulinux-gke-5.0

    < 5.0.0-1045.46

  • ubuntulinux-gke-5.3

    < 5.3.0-1032.34~18.04.1

  • ubuntulinux-hwe

    < 4.15.0-112.113~16.04.1 | < 5.3.0-64.58~18.04.1

  • ubuntulinux-hwe-5.4

    < 5.4.0-42.46~18.04.1

  • ubuntulinux-hwe-edge

    all | all

  • ubuntulinux-intel-iot-realtime

    all

  • ubuntulinux-kvm

    < 4.15.0-1069.70 | < 5.4.0-1020.20

  • ubuntulinux-nvidia

    all

  • ubuntulinux-oem

    < 4.15.0-1091.101

  • ubuntulinux-oem-5.6

    < 5.6.0-1018.18

  • ubuntulinux-oem-osp1

    < 5.0.0-1065.70

  • ubuntulinux-oracle

    < 4.15.0-1050.54~16.04.1 | < 4.15.0-1048.52 | < 5.4.0-1021.21

  • ubuntulinux-oracle-5.0

    all

  • ubuntulinux-oracle-5.3

    < 5.3.0-1030.32~18.04.1

  • ubuntulinux-raspi

    < 5.4.0-1015.15

  • ubuntulinux-raspi-5.4

    < 5.4.0-1015.15~18.04.1

  • ubuntulinux-raspi-realtime

    all

  • ubuntulinux-raspi2

    < 4.15.0-1065.69 | all

  • ubuntulinux-raspi2-5.3

    < 5.3.0-1030.32~18.04.2

  • ubuntulinux-realtime

    all

  • ubuntulinux-riscv

    < 5.4.0-30.34 | all

  • ubuntulinux-snapdragon

    < 4.15.0-1083.91

References (7)