CVE-2023-3338

Aliases:UBUNTU-CVE-2023-3338DEBIAN-CVE-2023-3338
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 30 Jun 2023, 00:00
Last modified:05 Mar 2025, 18:55

Vulnerability Summary

Overall Risk (default)
medium
38/100
CVSS Score
6.5 MEDIUM
v3.1 (cve.org)
EPSS Score
8.03% LOW
8% probability -3.21%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

30 Jun 2023, 00:00
Published
Vulnerability first disclosed
05 Mar 2025, 18:55
Last Modified
Vulnerability information updated

Description

A null pointer dereference flaw was found in the Linux kernel's DECnet networking protocol. This issue could allow a remote user to crash the system.

CVSS Metrics

  • v3.1MEDIUMScore: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 8.03% Percentile: 95%

Techniques & Countermeasures

  • CWE-476NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debianlinux

    < 5.10.191-1 | < 6.1.4-1 | < 6.1.4-1 | < 6.1.4-1

  • ubuntulinux

    all | < 5.4.0-164.181 | < 5.15.0-86.96

  • ubuntulinux-allwinner-5.19

    all

  • ubuntulinux-aws

    all | < 5.4.0-1111.120 | < 5.15.0-1047.52

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.11

    all

  • ubuntulinux-aws-5.13

    all

  • ubuntulinux-aws-5.15

    < 5.15.0-1047.52~20.04.1

  • ubuntulinux-aws-5.19

    all

  • ubuntulinux-aws-5.3

    all

  • ubuntulinux-aws-5.4

    < 5.4.0-1111.120~18.04.1

  • ubuntulinux-aws-5.8

    all

  • ubuntulinux-aws-fips

    all | < 5.4.0-1111.120+fips1

  • ubuntulinux-aws-hwe

    all

  • ubuntulinux-azure

    all | all | < 5.4.0-1117.124 | < 5.15.0-1049.56

  • ubuntulinux-azure-4.15

    all

  • ubuntulinux-azure-5.11

    all

  • ubuntulinux-azure-5.13

    all

  • ubuntulinux-azure-5.15

    < 5.15.0-1049.56~20.04.1

  • ubuntulinux-azure-5.19

    all

  • ubuntulinux-azure-5.3

    all

  • ubuntulinux-azure-5.4

    < 5.4.0-1117.124~18.04.1

  • ubuntulinux-azure-5.8

    all

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fde

    all | < 5.15.0-1049.56.1

  • ubuntulinux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntulinux-azure-fde-5.19

    all

  • ubuntulinux-azure-fips

    all | < 5.4.0-1117.124+fips1

  • ubuntulinux-bluefield

    all | < 5.4.0-1072.78 | < 5.15.0-1027.29

  • ubuntulinux-fips

    all | < 5.4.0-1086.95

  • ubuntulinux-gcp

    all | all | < 5.4.0-1115.124 | < 5.15.0-1044.52

  • ubuntulinux-gcp-4.15

    all

  • ubuntulinux-gcp-5.11

    all

  • ubuntulinux-gcp-5.13

    all

  • ubuntulinux-gcp-5.15

    < 5.15.0-1044.52~20.04.1

  • ubuntulinux-gcp-5.19

    all

  • ubuntulinux-gcp-5.3

    all

  • ubuntulinux-gcp-5.4

    < 5.4.0-1115.124~18.04.1

  • ubuntulinux-gcp-5.8

    all

  • ubuntulinux-gcp-fips

    all | < 5.4.0-1115.124+fips1

  • ubuntulinux-gke

    all | < 5.15.0-1044.49

  • ubuntulinux-gke-4.15

    all

  • ubuntulinux-gke-5.15

    all

  • ubuntulinux-gke-5.4

    all

  • ubuntulinux-gkeop

    < 5.4.0-1078.82 | < 5.15.0-1030.35

  • ubuntulinux-gkeop-5.15

    < 5.15.0-1030.35~20.04.1

  • ubuntulinux-gkeop-5.4

    all

  • ubuntulinux-hwe

    all | all

  • ubuntulinux-hwe-5.11

    all

  • ubuntulinux-hwe-5.13

    all

Showing first 50 affected entries in server-rendered view.

References (18)