UBUNTU-CVE-2023-38432

Advisory lineage Upstream: 1 Downstream: 9
Upstream
CVE-2023-38432
Published: 18 Jul 2023, 00:15
Last modified:04 Jul 2026, 19:26

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Jul 2023, 00:15
Published
Vulnerability first disclosed
04 Jul 2026, 19:26
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification, leading to an out-of-bounds read.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Systems

  • ubuntu•linux

    < 5.15.0-86.96

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 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-5.8

    all

  • ubuntu•linux-aws-6.2

    < 6.2.0-1015.15~22.04.1

  • ubuntu•linux-azure

    all | < 5.15.0-1049.56

  • 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-5.8

    all

  • ubuntu•linux-azure-6.2

    < 6.2.0-1016.16~22.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1049.56.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fde-6.2

    < 6.2.0-1016.16~22.04.1.1

  • ubuntu•linux-bluefield

    < 5.15.0-1027.29 | < 5.15.0-1027.29 | all

  • ubuntu•linux-fips

    all

  • ubuntu•linux-gcp

    all | < 5.15.0-1044.52

  • 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-5.8

    all

  • ubuntu•linux-gcp-6.2

    < 6.2.0-1018.20~22.04.1

  • ubuntu•linux-gke

    < 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

    < 5.15.0-1030.35

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1030.35~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-86.96~20.04.1

  • ubuntu•linux-hwe-5.19

    all

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-6.2

    < 6.2.0-36.37~22.04.1

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-ibm

    < 5.15.0-1040.43

  • ubuntu•linux-ibm-5.15

    < 5.15.0-1040.43~20.04.1

  • ubuntu•linux-intel-5.13

    all

Showing first 50 affected entries in server-rendered view.

References (14)