Fiche vulnérabilité
CVE-2025-22037 : faille moyenne linux linux kernel (CVSS 5.5)
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.
En bref
- Sévérité
- Moyenne (CVSS 5.5)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 16 avr. 2025
- Dernière mise à jour
- 30 juil. 2026
Produits concernés
- linux linux kernel
Références
- Fiche CVE-2025-22037 sur le NVD (NIST)
- git.kernel.org/stable/c/8f216b33a5e1b3489c073b1ea1b3d7cb63c8d…
- git.kernel.org/stable/c/b8eb243e670ecf30e91524dd12f7260dac07d…
- git.kernel.org/stable/c/c8b5b7c5da7d0c31c9b7190b4a7bba5281fc4…
- git.kernel.org/stable/c/ca8bed31edf728a662ef9d6f39f50e7a7dc2b…
- git.kernel.org/stable/c/cce57cd8c5dead24127cf2308fdd60fcad2d6…
- zerodayinitiative.com/advisories/ZDI-25-310/