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Fixed

LIN1021-14372 : Security Advisory - linux - CVE-2025-21749

Created: Feb 27, 2025 Updated: Nov 27, 2025

Resolved Date: Nov 27, 2025

Found In Version: 10.21.20.1

Fix Version: 10.21.20.26

Severity: Standard

Applicable for: Wind River Linux LTS 21

Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved:

net: rose: lock the socket in rose_bind()

syzbot reported a soft lockup in rose_loopback_timer(),
with a repro calling bind() from multiple threads.

rose_bind() must lock the socket to avoid this issue.

CREATE(Triage):(User=admin) CVE-2025-21749 (https://nvd.nist.gov/vuln/detail/CVE-2025-21749)

CVEs

CVE-2025-21749