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Fixed

LIN1024-8382 : Security Advisory - linux - CVE-2025-21994

Created: Apr 2, 2025 Updated: Jun 10, 2025

Resolved Date: Apr 11, 2025

Found In Version: 10.24.33.1

Fix Version: 10.24.33.8

Severity: Standard

Applicable for: Wind River Linux LTS 24

Component/s: Kernel

Description

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.

CREATE(Triage):(User=admin) CVE-2025-21994 (https://nvd.nist.gov/vuln/detail/CVE-2025-21994)

CVEs

CVE-2025-21994