CVE-2025-21994

Katalog CVE

CVSS 5.5 · Medium EPSS 0,30%

Kerentanan 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: fix incorrect validation for num_aces field of smb_acl parse_dcal() validate num_aces to allocate posix_ace_state_array. if (num_aces > ULONG_MAX / sizeof(struct smb_ace *)) It is an incorrect validation that we can create an array of size ULONG_MAX. smb_acl has ->size field to calculate actual number of aces in request buffer size. Use this to check invalid num_aces.

Rincian

Terbit di NVD

2 April 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

EPSS (30 hari)

0,30% peluang dieksploitasi; lebih tinggi dari 21,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/1b8b67f3c5e5169535e26efedd3e422172e2db64 patch
• https://git.kernel.org/stable/c/9c4e202abff45f8eac17989e549fc7a75095f675 patch
• https://git.kernel.org/stable/c/a4cb17797a5d241f1e509cb5b46ed95a80c2f5fd patch
• https://git.kernel.org/stable/c/c3a3484d9d31b27a3db0fab91fcf191132d65236 patch
• https://git.kernel.org/stable/c/d0f87370622a853b57e851f7d5a5452b72300f19 patch
• https://git.kernel.org/stable/c/f6a6721802ac2f12f4c1bbe839a4c229b61866f2 patch
• https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html