CVE-2023-3866

Katalog CVE

CVSS 5.5 · Medium EPSS 11,1%

Kerentanan NULL Pointer Dereference pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

16 Agustus 2025

Terakhir diubah

4 Agustus 2026

Status NVD

Modified

CVSS 3.1

5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

11,1% peluang dieksploitasi; lebih tinggi dari 95,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/5005bcb4219156f1bf7587b185080ec1da08518e patch
• https://git.kernel.org/stable/c/854156d12caa9d36de1cf5f084591c7686cc8a9d patch
• https://git.kernel.org/stable/c/d1066c1b3663401cd23c0d6e60cdae750ce00c0f patch
• https://git.kernel.org/stable/c/eb947403518ea3d93f6d89264bb1f5416bb0c7d0 patch