CVE-2023-39197

Aliases:UBUNTU-CVE-2023-39197DEBIAN-CVE-2023-39197
Advisory lineage Upstream: 0 Downstream: 39
Modified
Published: 23 Jan 2024, 03:04
Last modified:06 Aug 2026, 20:17

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.98% LOW
1% probability +0.94%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jan 2024, 03:04
Published
Vulnerability first disclosed
06 Aug 2026, 20:17
Last Modified
Vulnerability information updated

Description

An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.98%• Percentile: 61%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•linux

    < 5.10.191-1 | < 6.1.52-1 | < 6.4.4-1 | < 6.4.4-1

  • ubuntu•linux

    all | < 4.4.0-252.286 | < 4.15.0-223.235 | < 5.4.0-166.183 | < 5.15.0-86.96

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1129.135 | < 4.4.0-1167.182 | < 4.15.0-1166.179 | < 5.4.0-1113.123 | < 5.15.0-1047.52

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1047.52~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1113.123~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.2

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2105.111 | all | < 5.4.0-1113.123+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1166.179~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1175.190~14.04.1 | < 4.15.0-1175.190~16.04.1 | all | < 5.4.0-1119.126 | < 5.15.0-1049.56

  • ubuntu•linux-azure-4.15

    < 4.15.0-1175.190

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1049.56~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1119.126~18.04.2

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-6.2

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1049.56.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fde-6.2

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2084.90 | all | < 5.4.0-1119.126+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1074.80 | < 5.15.0-1027.29

  • ubuntu•linux-fips

    < 4.4.0-1099.106 | all | < 4.15.0-1121.132 | < 5.4.0-1088.97

  • ubuntu•linux-gcp

    < 4.15.0-1160.177~16.04.1 | all | < 5.4.0-1117.126 | < 5.15.0-1044.52

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1160.177

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1044.52~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1117.126~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-6.2

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2068.73 | all | < 5.4.0-1117.126+fips1

  • ubuntu•linux-gke

    all | < 5.15.0-1044.49

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1080.84 | < 5.15.0-1030.35

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1030.35~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

Showing first 50 affected entries in server-rendered view.

References (12)