CVE-2023-7192

Aliases:UBUNTU-CVE-2023-7192DEBIAN-CVE-2023-7192
Advisory lineage Upstream: 0 Downstream: 29
Modified
Published: 02 Jan 2024, 19:02
Last modified:20 Nov 2025, 18:07

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.3% LOW
0% probability +0.27%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jan 2024, 19:02
Published
Vulnerability first disclosed
20 Nov 2025, 18:07
Last Modified
Vulnerability information updated

Description

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

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
  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.30%• Percentile: 23%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•linux

    < 5.10.178-1 | < 6.1.20-1 | < 6.1.20-1 | < 6.1.20-1

  • ubuntu•linux

    < 3.13.0-196.247 | < 4.4.0-251.285 | < 4.15.0-222.233 | < 5.4.0-152.169 | < 5.15.0-79.86

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1128.134 | < 4.4.0-1166.181 | < 4.15.0-1165.178 | < 5.4.0-1104.112 | < 5.15.0-1042.47

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1041.46~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1104.112~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2104.110 | all | < 5.4.0-1104.112+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1165.178~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1174.189~14.04.1 | < 4.15.0-1174.189~16.04.1 | all | < 5.4.0-1110.116 | < 5.15.0-1045.52

  • ubuntu•linux-azure-4.15

    < 4.15.0-1174.189

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1045.52~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1110.116~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1044.51.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    all | < 5.4.0-1110.116+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1065.71 | < 5.15.0-1022.24

  • ubuntu•linux-fips

    all | < 5.4.0-1079.88

  • ubuntu•linux-gcp

    < 4.15.0-1159.176~16.04.1 | all | < 5.4.0-1107.116 | < 5.15.0-1039.47

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1159.176

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1039.47~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1107.116~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2067.72 | all | < 5.4.0-1107.116+fips1

  • ubuntu•linux-gke

    all | < 5.15.0-1039.44

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1071.75 | < 5.15.0-1025.30

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1025.30~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-222.233~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-79.86~20.04.2

Showing first 50 affected entries in server-rendered view.

References (21)