CVE-2023-46343

Aliases:UBUNTU-CVE-2023-46343DEBIAN-CVE-2023-46343
Advisory lineage Upstream: 0 Downstream: 29
Modified
Published: 23 Jan 2024, 00:00
Last modified:17 Jun 2025, 13:55

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.24% LOW
0% probability +0.23%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jan 2024, 00:00
Published
Vulnerability first disclosed
17 Jun 2025, 13:55
Last Modified
Vulnerability information updated

Description

In the Linux kernel before 6.5.9, there is a NULL pointer dereference in send_acknowledge in net/nfc/nci/spi.c.

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
  • 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: 0.24%• Percentile: 15%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

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

Affected Systems

  • debian•linux

    < 5.10.205-1 | < 6.1.64-1 | < 6.5.10-1 | < 6.5.10-1

  • ubuntu•linux

    all | < 4.4.0-257.291 | < 4.15.0-227.239 | < 5.4.0-171.189 | < 5.15.0-100.110

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1134.140 | < 4.4.0-1172.187 | < 4.15.0-1170.183 | < 5.4.0-1118.128 | < 5.15.0-1056.61

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1056.61~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1118.128~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.2

    all

  • ubuntu•linux-aws-6.5

    < 6.5.0-1015.15~22.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2109.115 | all | < 5.4.0-1118.128+fips1 | < 5.15.0-1056.61+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1170.183~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1179.194~14.04.1 | < 4.15.0-1179.194~16.04.1 | all | < 5.4.0-1123.130 | < 5.15.0-1058.66

  • ubuntu•linux-azure-4.15

    < 4.15.0-1179.194

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1058.66~20.04.2

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1123.130~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-6.2

    all

  • ubuntu•linux-azure-6.5

    < 6.5.0-1016.16~22.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1058.66.1 | all

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fde-6.2

    all

  • ubuntu•linux-azure-fde-6.8

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2088.94 | all | < 5.4.0-1123.130+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1078.84 | < 5.15.0-1037.39

  • ubuntu•linux-fips

    < 4.4.0-1103.110 | all | < 4.15.0-1125.136 | < 5.4.0-1092.102 | < 5.15.0-100.110+fips1

  • ubuntu•linux-gcp

    < 4.15.0-1164.181~16.04.1 | all | < 5.4.0-1122.131 | < 5.15.0-1053.61

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1164.181

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1053.61~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1122.131~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-6.2

    all

  • ubuntu•linux-gcp-6.5

    < 6.5.0-1015.15~22.04.1

  • ubuntu•linux-gcp-fips

    < 4.15.0-2072.77 | all | < 5.4.0-1122.131+fips1 | < 5.15.0-1055.63+fips2

  • ubuntu•linux-gke

    all | < 5.15.0-1052.57

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

Showing first 50 affected entries in server-rendered view.

References (23)