CVE-2023-26545

Aliases:UBUNTU-CVE-2023-26545DEBIAN-CVE-2023-26545
Advisory lineage Upstream: 0 Downstream: 67
Analyzed
Published: 25 Feb 2023, 00:00
Last modified:20 Mar 2025, 20:45

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v3.1 (cve.org)
EPSS Score
0.33% LOW
0% probability +0.31%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Feb 2023, 00:00
Published
Vulnerability first disclosed
20 Mar 2025, 20:45
Last Modified
Vulnerability information updated

Description

In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.33%• Percentile: 26%

Techniques & Countermeasures

  • CWE-415•Double Free

    The product calls free() twice on the same memory address.

Affected Systems

  • debian•linux

    < 5.10.178-1 | < 6.1.15-1 | < 6.1.15-1 | < 6.1.15-1

  • ubuntu•linux

    < 4.4.0-239.273 | < 4.15.0-209.220 | < 5.4.0-147.164 | < 5.15.0-70.77

  • ubuntu•linux-aws

    < 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1154.167 | < 5.4.0-1100.108 | < 5.15.0-1034.38

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1034.38~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1100.108~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2093.99 | all | < 5.4.0-1100.108+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1154.167~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1163.178~14.04.1 | < 4.15.0-1163.178~16.04.1 | all | < 5.4.0-1106.112 | < 5.15.0-1036.43

  • ubuntu•linux-azure-4.15

    < 4.15.0-1163.178

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1036.43~20.04.1

  • ubuntu•linux-azure-5.19

    < 5.19.0-1023.24~22.04.1

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1106.112~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1036.43.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2072.78 | all | < 5.4.0-1106.112+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1062.68 | < 5.15.0-1015.17

  • ubuntu•linux-dell300x

    < 4.15.0-1063.68

  • ubuntu•linux-fips

    < 4.4.0-1088.95 | all | < 4.15.0-1109.120 | < 5.4.0-1075.84

  • ubuntu•linux-gcp

    < 4.15.0-1148.164~16.04.1 | all | < 5.4.0-1103.112 | < 5.15.0-1032.40

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1148.164

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1032.40~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1103.112~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2056.61 | all | < 5.4.0-1103.112+fips1

  • ubuntu•linux-gke

    < 5.4.0-1097.104 | < 5.15.0-1031.36

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1031.36~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1067.71 | < 5.15.0-1018.23

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1018.23~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    < 4.15.0-209.220~16.04.1 | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-70.77~20.04.1

  • ubuntu•linux-hwe-5.19

    < 5.19.0-40.41~22.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-147.164~18.04.1

  • ubuntu•linux-hwe-5.8

    all

Showing first 50 affected entries in server-rendered view.

References (27)