Tracker / CVE-2023-3866
CVE-2023-3866
High 7.5
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.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 5.15 → 5.15.121 |
| linux | linux_kernel · 5.16 → 6.1.36 |
| linux | linux_kernel · 6.2 → 6.3.10 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.