CVE-2025-21749

kernel: net: rose: lock the socket in rose_bind()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · February 27, 2025

Updated · June 30, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-667 · Improper Locking