CVE-2023-6606

Aliases:UBUNTU-CVE-2023-6606DEBIAN-CVE-2023-6606
Advisory lineage Upstream: 0 Downstream: 43
Modified
Published: 08 Dec 2023, 16:58
Last modified:08 Nov 2025, 07:10

Vulnerability Summary

Overall Risk (default)
medium
39/100
CVSS Score
7.1 HIGH
v3.1 (cve.org)
EPSS Score
0.53% LOW
1% probability +0.52%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

08 Dec 2023, 16:58
Published
Vulnerability first disclosed
08 Nov 2025, 07:10
Last Modified
Vulnerability information updated

Description

An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.

CVSS Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Trends

Current EPSS score: 0.53%• Percentile: 44%

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

    < 5.10.209-1 | < 6.1.76-1 | < 6.6.9-1 | < 6.6.9-1

  • ubuntu•linux

    all | < 4.4.0-250.284 | < 4.15.0-221.232 | < 5.4.0-170.188 | < 5.15.0-92.102

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 4.4.0-1127.133 | < 4.4.0-1165.180 | < 4.15.0-1164.177 | < 5.4.0-1117.127 | < 5.15.0-1052.57

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1052.57~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1117.127~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.2

    < 6.2.0-1018.18~22.04.1

  • ubuntu•linux-aws-6.5

    all

  • ubuntu•linux-aws-fips

    < 4.15.0-2103.109 | all | < 5.4.0-1117.127+fips1

  • ubuntu•linux-aws-hwe

    < 4.15.0-1164.177~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1173.188~14.04.1 | < 4.15.0-1173.188~16.04.1 | all | < 5.4.0-1122.129 | < 5.15.0-1054.62

  • ubuntu•linux-azure-4.15

    < 4.15.0-1173.188

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1054.62~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1122.129~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-6.2

    < 6.2.0-1019.19~22.04.1

  • ubuntu•linux-azure-6.5

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all | < 5.15.0-1054.62.1 | all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fde-6.2

    < 6.2.0-1019.19~22.04.1.1

  • ubuntu•linux-azure-fde-6.8

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2082.88 | all | < 5.4.0-1122.129+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1077.83 | < 5.15.0-1033.35

  • ubuntu•linux-fips

    < 4.4.0-1097.104 | all | < 4.15.0-1119.130 | < 5.4.0-1091.101

  • ubuntu•linux-gcp

    < 4.15.0-1158.175~16.04.1 | all | < 5.4.0-1121.130 | < 5.15.0-1049.57

  • ubuntu•linux-gcp-4.15

    < 4.15.0-1158.175

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1049.57~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1121.130~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-6.2

    < 6.2.0-1021.23~22.04.1

  • ubuntu•linux-gcp-6.5

    all

  • ubuntu•linux-gcp-fips

    < 4.15.0-2066.71 | all | < 5.4.0-1121.130+fips1 | < 5.15.0-1055.63+fips2

  • ubuntu•linux-gke

    all | < 5.15.0-1049.54

  • ubuntu•linux-gke-4.15

    all

Showing first 50 affected entries in server-rendered view.

References (33)