CVE-2025-22037
high · 7.5In 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.
7.5
CVSS
67.6%
EPSS (exploit prob.)
99th
EPSS percentile
2025-04-16
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| linux | linux_kernel | < 6.12.23 |
| linux | linux_kernel | >= 6.13, < 6.13.11 |
| linux | linux_kernel | >= 6.14, < 6.14.2 |
Check a specific version with /api/v1/cve/match.
References
- https://git.kernel.org/stable/c/8f216b33a5e1b3489c073b1ea1b3d7cb63c8dc4d
- https://git.kernel.org/stable/c/b8eb243e670ecf30e91524dd12f7260dac07d335
- https://git.kernel.org/stable/c/c8b5b7c5da7d0c31c9b7190b4a7bba5281fc4780
- https://git.kernel.org/stable/c/ca8bed31edf728a662ef9d6f39f50e7a7dc2b5ad
- https://git.kernel.org/stable/c/cce57cd8c5dead24127cf2308fdd60fcad2d6ba6
- https://www.zerodayinitiative.com/advisories/ZDI-25-310/
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2025-22037