CVE-2025-38191

Katalog CVE

CVSS 5.5 · Medium EPSS 1,4%

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

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in destroy_previous_session If client set ->PreviousSessionId on kerberos session setup stage, NULL pointer dereference error will happen. Since sess->user is not set yet, It can pass the user argument as NULL to destroy_previous_session. sess->user will be set in ksmbd_krb5_authenticate(). So this patch move calling destroy_previous_session() after ksmbd_krb5_authenticate().

Rincian

Terbit di NVD

4 Juli 2025

Terakhir diubah

30 Juli 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)

1,4% peluang dieksploitasi; lebih tinggi dari 72,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/076f1adefb9837977af7ed233883842ddc446644 patch
• https://git.kernel.org/stable/c/0902625a24eea7fdc187faa5d97df244d159dd6e patch
• https://git.kernel.org/stable/c/1193486dffb7432a09f57f5d09049b4d4123538b patch
• https://git.kernel.org/stable/c/281afc52e2961cd5dd8326ebc9c5bc40904c0468 patch
• https://git.kernel.org/stable/c/7ac5b66acafcc9292fb935d7e03790f2b8b2dc0e patch
• https://www.zerodayinitiative.com/advisories/ZDI-25-610/ advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html advisory pihak ketiga