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CVE-2023-4515

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CVE-2023-4515

Published: Aug 16, 2025

Modified: May 23, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
35f450f54dca1519bb24faacd0428db09f89a11f - < 595679098bdcdbfbba91ebe07a2f7f208df93870
affected
9650cf70ec9d94ff34daa088b643229231723c26 - < c6bef3bc30fd4a175aef846b7d928a6c40d091cd
affected
2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d - < ff7236b66d69582f90cf5616e63cfc3dc18142bb
affected
2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d - < 5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c
affected
768caf4019f0391c0b6452afe34cea1704133f7b

+3 more versions

Linux

Linux

affected
6.4
unaffected
0 - < 6.4
unaffected
5.15.127 - <= 5.15.*
unaffected
6.1.46 - <= 6.1.*
unaffected
6.4.11 - <= 6.4.*

+1 more versions

References

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