CVE-2023-3867 Details
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2_sess_setup ksmbd does not consider the case of that smb2 session setup is in compound request. If this is the second payload of the compound, OOB read issue occurs while processing the first payload in the smb2_sess_setup().
A vulnerability allowing an out-of-bounds read has been identified in the Linux kernel's ksmbd component. This issue arises in the SMB2 session setup process when handling compound requests. Specifically, if the session setup is in a compound request and the second payload is processed, an out-of-bounds read occurs while managing the first payload.
Users can upgrade to the latest version of the Linux kernel where this vulnerability has been patched. Instructions for upgrading the kernel can be found in the official Linux kernel documentation.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/2ba03cecb12ac7ac9e0170e251543c56832d9959 | kernel.org | Patch |
| https://git.kernel.org/stable/c/676392184785ace61e939831e7ca44a03d438c3b | kernel.org | Patch |
| https://git.kernel.org/stable/c/98422bdd4cb3ca4d08844046f6507d7ec2c2b8d8 | kernel.org | Patch |
| https://git.kernel.org/stable/c/ef572ffa8eb44111eed2925fbb2adca78bdcbf61 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 5.15, < 5.15.145 >= 5.16, < 6.1.40 >= 6.2, < 6.4.5 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 15, 2026 | CVE Modified | kernel.org |
| Aug 4, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | kernel.org |
| Nov 18, 2025 | Initial Analysis | [email protected] |
| Aug 16, 2025 | New CVE Received | kernel.org |