CVE-2025-21749 Information

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.

Reference

https://git.kernel.org/stable/c/4c04b0ab3a647e76d0e752b013de8e404abafc63 https://git.kernel.org/stable/c/667f61b3498df751c8b3f0be1637e7226cbe3ed0 https://git.kernel.org/stable/c/970cd2ed26cdab2b0f15b6d90d7eaa36538244a5 https://git.kernel.org/stable/c/a1300691aed9ee852b0a9192e29e2bdc2411a7e6 https://git.kernel.org/stable/c/e0384efd45f615603e6869205b72040c209e69cc