CVE-2023-3866

Source
https://nvd.nist.gov/vuln/detail/CVE-2023-3866
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-3866.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-3866
Downstream
Published
2025-08-16T14:15:27Z
Modified
2025-08-18T20:16:28Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: validate session id and tree id in the compound request

This patch validate session id and tree id in compound request. If first operation in the compound is SMB2 ECHO request, ksmbd bypass session and tree validation. So work->sess and work->tcon could be NULL. If secound request in the compound access work->sess or tcon, It cause NULL pointer dereferecing error.

References

Affected packages