CVE-2023-38432

Aliases:UBUNTU-CVE-2023-38432DEBIAN-CVE-2023-38432
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 17 Jul 2023, 00:00
Last modified:02 Aug 2024, 17:39

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
v3.1 (nvd)
EPSS Score
2.52% LOW
3% probability +2.46%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Jul 2023, 00:00
Published
Vulnerability first disclosed
02 Aug 2024, 17:39
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

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

EPSS Trends

Current EPSS score: 2.52% Percentile: 84%

Techniques & Countermeasures

  • CWE-125Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debianlinux

    < 6.1.37-1 | < 6.3.11-1 | < 6.3.11-1

  • ubuntulinux

    < 5.15.0-86.96

  • ubuntulinux-allwinner-5.19

    all

  • ubuntulinux-aws

    < 5.15.0-1047.52

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.11

    all

  • ubuntulinux-aws-5.13

    all

  • ubuntulinux-aws-5.15

    < 5.15.0-1047.52~20.04.1

  • ubuntulinux-aws-5.19

    all

  • ubuntulinux-aws-5.3

    all

  • ubuntulinux-aws-5.8

    all

  • ubuntulinux-aws-6.2

    < 6.2.0-1015.15~22.04.1

  • ubuntulinux-azure

    all | < 5.15.0-1049.56

  • ubuntulinux-azure-5.11

    all

  • ubuntulinux-azure-5.13

    all

  • ubuntulinux-azure-5.15

    < 5.15.0-1049.56~20.04.1

  • ubuntulinux-azure-5.19

    all

  • ubuntulinux-azure-5.3

    all

  • ubuntulinux-azure-5.8

    all

  • ubuntulinux-azure-6.2

    < 6.2.0-1016.16~22.04.1

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fde

    < 5.15.0-1049.56.1

  • ubuntulinux-azure-fde-5.19

    all

  • ubuntulinux-azure-fde-6.2

    < 6.2.0-1016.16~22.04.1.1

  • ubuntulinux-bluefield

    all | < 5.15.0-1027.29

  • ubuntulinux-fips

    all

  • ubuntulinux-gcp

    all | < 5.15.0-1044.52

  • ubuntulinux-gcp-5.11

    all

  • ubuntulinux-gcp-5.13

    all

  • ubuntulinux-gcp-5.15

    < 5.15.0-1044.52~20.04.1

  • ubuntulinux-gcp-5.19

    all

  • ubuntulinux-gcp-5.3

    all

  • ubuntulinux-gcp-5.8

    all

  • ubuntulinux-gcp-6.2

    < 6.2.0-1018.20~22.04.1

  • ubuntulinux-gke

    < 5.15.0-1044.49

  • ubuntulinux-gke-4.15

    all

  • ubuntulinux-gke-5.15

    all

  • ubuntulinux-gke-5.4

    all

  • ubuntulinux-gkeop

    < 5.15.0-1030.35

  • ubuntulinux-gkeop-5.15

    < 5.15.0-1030.35~20.04.1

  • ubuntulinux-gkeop-5.4

    all

  • ubuntulinux-hwe-5.11

    all

  • ubuntulinux-hwe-5.13

    all

  • ubuntulinux-hwe-5.15

    < 5.15.0-86.96~20.04.1

  • ubuntulinux-hwe-5.19

    all

  • ubuntulinux-hwe-5.8

    all

  • ubuntulinux-hwe-6.2

    < 6.2.0-36.37~22.04.1

  • ubuntulinux-hwe-edge

    all

  • ubuntulinux-ibm

    < 5.15.0-1040.43

  • ubuntulinux-ibm-5.15

    < 5.15.0-1040.43~20.04.1

Showing first 50 affected entries in server-rendered view.

References (16)