UBUNTU-CVE-2021-38160

Advisory lineage Upstream: 1 Downstream: 10
Upstream
CVE-2021-38160
Published: 07 Aug 2021, 04:15
Last modified:03 Jun 2026, 13:34

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

07 Aug 2021, 04:15
Published
Vulnerability first disclosed
03 Jun 2026, 13:34
Last Modified
Vulnerability information updated

Description

In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•linux

    all | < 4.4.0-222.255 | < 4.15.0-156.163 | < 5.4.0-88.99

  • ubuntu•linux-aws

    < 4.4.0-1102.107 | < 4.4.0-1138.152 | < 4.15.0-1111.118 | < 5.4.0-1057.60

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    < 5.11.0-1019.20~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1057.60~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2053.55 | all | < 5.4.0-1069.73+fips2

  • ubuntu•linux-aws-hwe

    < 4.15.0-1111.118~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1123.136~14.04.1 | < 4.15.0-1123.136~16.04.1 | all | < 5.4.0-1059.62

  • ubuntu•linux-azure-4.15

    < 4.15.0-1123.136

  • ubuntu•linux-azure-5.11

    < 5.11.0-1017.18~20.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1059.62~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2035.39 | all | < 5.4.0-1073.76+fips1

  • ubuntu•linux-bluefield

    < 5.4.0-1019.22 | all

  • ubuntu•linux-dell300x

    < 4.15.0-1027.32

  • ubuntu•linux-fips

    < 4.4.0-1072.78 | all | < 4.15.0-1069.78 | < 5.4.0-1034.40

  • ubuntu•linux-gcp

    < 4.15.0-1108.122~16.04.1 | all | < 5.4.0-1053.57

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1108.122

  • ubuntu•linux-gcp-5.11

    < 5.11.0-1020.22~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1053.57~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2018.20 | all | < 5.4.0-1067.71~20.04.1

  • ubuntu•linux-gke

    < 5.4.0-1053.56

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.4

    < 5.4.0-1053.56~18.04.1

  • ubuntu•linux-gkeop

    < 5.4.0-1024.25

  • ubuntu•linux-gkeop-5.4

    < 5.4.0-1024.25~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-156.163~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    < 5.11.0-37.41~20.04.2

  • ubuntu•linux-hwe-5.4

    < 5.4.0-87.98~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-ibm

    < 5.4.0-1005.6

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1103.112 | < 4.15.0-1099.101 | < 5.4.0-1047.49

  • ubuntu•linux-lts-xenial

    < 4.4.0-222.255~14.04.1

  • ubuntu•linux-nvidia

    all

  • ubuntu•linux-oem

    all

  • ubuntu•linux-oem-5.10

    < 5.10.0-1049.51

  • ubuntu•linux-oem-5.13

    < 5.13.0-1014.18

  • ubuntu•linux-oem-5.6

    all

  • ubuntu•linux-oracle

    < 4.15.0-1080.88~16.04.1 | < 4.15.0-1080.88 | < 5.4.0-1055.59

  • ubuntu•linux-oracle-5.0

    all

  • ubuntu•linux-oracle-5.11

    < 5.11.0-1019.20~20.04.1

Showing first 50 affected entries in server-rendered view.

References (15)