CVE-2025-22037
High
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in alloc_preauth_hash() The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn->preauth_info is not allocated. This patch add KSMBD_SESS_NEED_SETUP status of connection to ignore session setup request if smb2 negotiate phase is not complete.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linux Kernel
PublishedApr 16, 2025
First seenApr 16, 2025
How to fix
Update
- linux linux_kernel6.6.107, 6.12.23, 6.13.11, 6.14.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.6 ≤ v < 6.6.107, 6.12 ≤ v < 6.12.23, 6.13 ≤ v < 6.13.11, 6.14 ≤ v < 6.14.2 | 6.6.107, 6.12.23, 6.13.11, 6.14.2 |
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