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CVE-2023-32256

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.145, 6.1.29, 6.2.16, 6.3.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • linux

    fixed in 5.15.145; From 6.0.0; From 6.1.0 · fixed in 6.1.29; From 6.2.0 · fixed in 6.2.16; From 6.3.0 · fixed in 6.3.2

  • kernel

    Version range not reported

  • kernel

    Version range not reported

  • kernel

    Version range not reported

  • kernel-rt

    Version range not reported

  • kernel

    Version range not reported

  • kernel-rt

    Version range not reported

  • kernel

    Version range not reported

  • kernel-rt

    Version range not reported

References 4

access.redhat.com

bugzilla.redhat.com

git.kernel.org

zerodayinitiative.com