CVE-2023-32253

Medium

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service.

Package Linux Kernel
Published 2025-08-02
Last modified 2026-04-15
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

5.9

out of 10
Medium
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-413

CVE-2023-32253 is classified as CWE-413

See CWE-413 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-32253 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-32253?

    CVE-2023-32253 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.9 out of 10 . CVE-2023-32253 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-32253?

    CVE-2023-32253 has a CVSS score of 5.9 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2023-32253?

    No patch is currently available for CVE-2023-32253. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-32253 actively exploited?

    No — CVE-2023-32253 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Back to
All CVEs
View on
NVD / NIST