Riskcovery

CVE-2023-32256

Kernel: ksmbd race issue from smb2 close and logoff with multichannel

State
Published
Severity
7.5 High
Published
Aug 1, 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 race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:Hredhat

Weaknesses

  • CWE-421 Race Condition During Access to Alternate Channel

Affected Products

ProductVersions
linux
  • before 5.15.145Affected
  • 6.0.0 to before 6.0.*Affected
  • 6.1.0 to before 6.1.29Affected
  • 6.2.0 to before 6.2.16Affected
  • 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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