CVE-2023-3161

Aliases:UBUNTU-CVE-2023-3161DEBIAN-CVE-2023-3161
Advisory lineage Upstream: 0 Downstream: 26
Modified
Published: 12 Jun 2023, 00:00
Last modified:11 Mar 2025, 14:54

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.21% LOW
0% probability +0.19%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Jun 2023, 00:00
Published
Vulnerability first disclosed
11 Mar 2025, 14:54
Last Modified
Vulnerability information updated

Description

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

CVSS Metrics

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

EPSS Trends

Current EPSS score: 0.21%• Percentile: 11%

Techniques & Countermeasures

  • CWE-1335•Incorrect Bitwise Shift of Integer

    An integer value is specified to be shifted by a negative amount or an amount greater than or equal to the number of bits contained in the value causing an unexpected or indeterminate result.

  • CWE-682•Incorrect Calculation

    The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Systems

  • debian•linux

    < 5.10.178-1 | < 6.1.11-1 | < 6.1.11-1 | < 6.1.11-1

  • ubuntu•linux

    all | < 4.4.0-243.277 | < 4.15.0-211.222 | < 5.4.0-149.166 | < 5.15.0-72.79

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1121.127 | < 4.4.0-1159.174 | < 4.15.0-1156.169 | < 5.4.0-1102.110 | < 5.15.0-1036.40

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1036.40~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1103.111~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2095.101 | all | < 5.4.0-1102.110+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1156.169~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1165.180~14.04.1 | < 4.15.0-1165.180~16.04.1 | all | < 5.4.0-1108.114 | < 5.15.0-1038.45

  • ubuntu•linux-azure-4.15

    < 4.15.0-1165.180

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1038.45~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1108.114~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1038.45.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2074.80 | all | < 5.4.0-1108.114+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1064.70 | < 5.15.0-1017.19

  • ubuntu•linux-fips

    < 4.4.0-1091.98 | all | < 4.15.0-1111.122 | < 5.4.0-1077.86

  • ubuntu•linux-gcp

    < 4.15.0-1150.166~16.04.1 | all | < 5.4.0-1105.114 | < 5.15.0-1034.42

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1150.166

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1034.42~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1105.114~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2058.63 | all | < 5.4.0-1105.114+fips1

  • ubuntu•linux-gke

    < 5.4.0-1099.106 | < 5.15.0-1033.38

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1033.38~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1069.73 | < 5.15.0-1020.25

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1020.25~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-211.222~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-72.79~20.04.1

Showing first 50 affected entries in server-rendered view.

References (9)