UBUNTU-CVE-2020-14416

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2020-14416
Downstream
LSN-0069-1
Published: 18 Jun 2020, 11:15
Last modified:20 May 2026, 16:04

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.2 MEDIUM
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Jun 2020, 11:15
Published
Vulnerability first disclosed
20 May 2026, 16:04
Last Modified
Vulnerability information updated

Description

In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.2CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•linux

    all | < 4.4.0-176.206 | < 4.15.0-91.92

  • ubuntu•linux-aws

    < 4.4.0-1064.68 | < 4.4.0-1104.115 | < 4.15.0-1063.67

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1063.67~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1074.79~14.04.1 | < 4.15.0-1075.80 | all

  • ubuntu•linux-azure-5.3

    < 5.3.0-1016.17~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-fips

    < 4.4.0-1031.36 | all

  • ubuntu•linux-gcp

    < 4.15.0-1058.62 | all

  • ubuntu•linux-gcp-5.3

    < 5.3.0-1014.15~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1055.58

  • ubuntu•linux-gke-5.0

    < 5.0.0-1032.33

  • ubuntu•linux-gke-5.3

    < 5.3.0-1014.15~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-91.92~16.04.1 | < 5.3.0-42.34~18.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1068.75 | < 4.15.0-1056.57

  • ubuntu•linux-lts-xenial

    < 4.4.0-176.206~14.04.1

  • ubuntu•linux-nvidia

    all

  • ubuntu•linux-oem

    < 4.15.0-1076.86

  • ubuntu•linux-oem-osp1

    < 5.0.0-1043.48

  • ubuntu•linux-oracle

    < 4.15.0-1035.38~16.04.1 | < 4.15.0-1035.39

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1130.139 | < 4.15.0-1057.61 | all

  • ubuntu•linux-raspi2-5.3

    < 5.3.0-1019.21~18.04.1

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all

  • ubuntu•linux-snapdragon

    < 4.4.0-1134.142 | < 4.15.0-1074.81

References (5)