UBUNTU-CVE-2023-20588

Advisory lineage Upstream: 1 Downstream: 12
Upstream
CVE-2023-20588
Published: 08 Aug 2023, 18:15
Last modified:03 Jun 2026, 13:36

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

08 Aug 2023, 18:15
Published
Vulnerability first disclosed
03 Jun 2026, 13:36
Last Modified
Vulnerability information updated

Description

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.

CVSS Metrics

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

Affected Systems

  • ubuntu•linux

    all | < 4.4.0-250.284 | < 4.15.0-221.232 | < 5.4.0-163.180 | < 5.15.0-84.93

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1127.133 | < 4.4.0-1164.179 | < 4.15.0-1164.177 | < 5.4.0-1110.119 | < 5.15.0-1045.50

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1045.50~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1110.119~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.2

    < 6.2.0-1012.12~22.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2103.109 | all | < 5.4.0-1110.119+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1164.177~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1173.188~14.04.1 | < 4.15.0-1173.188~16.04.1 | all | < 5.4.0-1116.123 | < 5.15.0-1047.54

  • ubuntu•linux-azure-4.15

    < 4.15.0-1173.188

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1047.54~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1116.123~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-6.2

    < 6.2.0-1012.12~22.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1047.54.1

  • ubuntu•linux-azure-fde-5.15

    all

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2082.88 | all | < 5.4.0-1116.123+fips1

  • ubuntu•linux-bluefield

    < 5.15.0-1024.26 | < 5.4.0-1071.77 | < 5.15.0-1024.26 | all

  • ubuntu•linux-fips

    < 4.4.0-1097.104 | all | < 4.15.0-1119.130 | < 5.4.0-1085.94

  • ubuntu•linux-gcp

    < 4.15.0-1158.175~16.04.1 | all | < 5.4.0-1113.122 | < 5.15.0-1042.50

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1158.175

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1042.50~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1113.122~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-6.2

    < 6.2.0-1014.14~22.04.1

  • ubuntu•linux-gcp-fips

    < 4.15.0-2066.71 | all | < 5.4.0-1113.122+fips1

  • ubuntu•linux-gke

    all | < 5.15.0-1042.47

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1077.81 | < 5.15.0-1028.33

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1028.33~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-221.232~16.04.1 | all

Showing first 50 affected entries in server-rendered view.

References (16)