CVE-2025-38562

Katalog CVE

CVSS 5.5 · Medium EPSS 10,0%

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 error in generate_encryptionkey If client send two session setups with krb5 authenticate to ksmbd, null pointer dereference error in generate_encryptionkey could happen. sess->Preauth_HashValue is set to NULL if session is valid. So this patch skip generate encryption key if session is valid.

Rincian

Terbit di NVD

19 Agustus 2025

Terakhir diubah

17 Juni 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)

10,0% peluang dieksploitasi; lebih tinggi dari 95,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/015ef163d65496ae3ba6192c96140a22743f0353 patch
• https://git.kernel.org/stable/c/2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e patch
• https://git.kernel.org/stable/c/96a82e19434a2522525baab59c33332658bc7653 patch
• https://git.kernel.org/stable/c/9b493ab6f35178afd8d619800df9071992f715de patch
• https://git.kernel.org/stable/c/9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb patch
• https://git.kernel.org/stable/c/d79c8bebaa622ee223128be7c66d8aaeeb634a57 patch
• https://www.zerodayinitiative.com/advisories/ZDI-25-917/ mailing list · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html mailing list · advisory pihak ketiga
• https://git.kernel.org/stable/c/922f85e6e88fdea723a26854c3a6dcb4beb8d0b9