Riskcovery

CVE-2023-32255

Kernel: memory leak via ksmbd session setup request with unknown ntlmssp message type

State
Published
Severity
5.3 Medium
Published
Aug 2, 2025
Updated
Jun 29, 2026
Reserved
May 5, 2023

Read the record on cve.org

Description

A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lredhat

Weaknesses

  • CWE-772 Missing Release of Resource after Effective Lifetime

Affected Products

ProductVersions
linux
  • before 5.15.111Affected
  • 6.0.0 to before 6.0.*Affected
  • 6.1.0 to before 6.1.28Affected
  • 6.2.0 to before 6.2.15Affected
  • 6.3.0 to before 6.3.2Affected
Red Hat Enterprise Linux 10Red Hat
    Red Hat Enterprise Linux 6Red Hat
      Red Hat Enterprise Linux 7Red Hat
        Red Hat Enterprise Linux 7Red Hat
          Red Hat Enterprise Linux 8Red Hat
            Red Hat Enterprise Linux 8Red Hat
              Red Hat Enterprise Linux 9Red Hat
                Red Hat Enterprise Linux 9Red Hat

                  References

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