CVE-2023-4515 (GCVE-0-2023-4515)

Vulnerability from cvelistv5 – Published: 2025-08-16 13:25 – Updated: 2026-05-23 15:25
VLAI
Title
ksmbd: validate command request size
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 35f450f54dca1519bb24faacd0428db09f89a11f , < 595679098bdcdbfbba91ebe07a2f7f208df93870 (git)
Affected: 9650cf70ec9d94ff34daa088b643229231723c26 , < c6bef3bc30fd4a175aef846b7d928a6c40d091cd (git)
Affected: 2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d , < ff7236b66d69582f90cf5616e63cfc3dc18142bb (git)
Affected: 2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d , < 5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c (git)
Affected: 768caf4019f0391c0b6452afe34cea1704133f7b (git)
Affected: 5.15.121 , < 5.15.127 (semver)
Affected: 6.1.36 , < 6.1.46 (semver)
Affected: 6.3.10 , < 6.4 (semver)
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Linux Linux Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 5.15.127 , ≤ 5.15.* (semver)
Unaffected: 6.1.46 , ≤ 6.1.* (semver)
Unaffected: 6.4.11 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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