CVE-2023-32250

Aliases:UBUNTU-CVE-2023-32250DEBIAN-CVE-2023-32250
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 10 Jul 2023, 15:09
Last modified:13 Feb 2025, 16:50

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9 CRITICAL
v3.1 (cve.org)
EPSS Score
2.61% LOW
3% probability +2.51%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Jul 2023, 15:09
Published
Vulnerability first disclosed
13 Feb 2025, 16:50
Last Modified
Vulnerability information updated

Description

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2_SESSION_SETUP commands. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to execute code in the context of the kernel.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 2.61%• Percentile: 85%

Techniques & Countermeasures

  • CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Affected Systems

  • debian•linux

    < 6.1.37-1 | < 6.3.7-1 | < 6.3.7-1

  • ubuntu•linux

    < 5.15.0-94.104

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 5.15.0-1053.58

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1053.58~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-6.2

    < 6.2.0-1011.11~22.04.1

  • ubuntu•linux-aws-fips

    all | < 5.15.0-1053.58+fips1

  • ubuntu•linux-azure

    all | < 5.15.0-1056.64

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1056.64~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1056.64.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    all

  • ubuntu•linux-bluefield

    all | < 5.15.0-1035.37

  • ubuntu•linux-fips

    all | < 5.15.0-94.104+fips1

  • ubuntu•linux-gcp

    all | < 5.15.0-1051.59

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1051.59~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-6.2

    < 6.2.0-1013.13~22.04.1

  • ubuntu•linux-gcp-fips

    all | < 5.15.0-1055.63+fips2

  • ubuntu•linux-gke

    < 5.15.0-1050.55

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.15.0-1036.42

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1036.42~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-94.104~20.04.1

  • ubuntu•linux-hwe-5.19

    all

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-6.2

    < 6.2.0-32.32~22.04.1

  • ubuntu•linux-hwe-edge

    all

Showing first 50 affected entries in server-rendered view.

References (17)