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.

Classification

CVE ID: CVE-2025-21749

Affected Products

Vendor: Linux, Linux

Product: Linux, Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.01% (probability of being exploited)

EPSS Percentile: 1.29% (scored less or equal to compared to others)

EPSS Date: 2025-03-27 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-21749
https://git.kernel.org/stable/c/667f61b3498df751c8b3f0be1637e7226cbe3ed0
https://git.kernel.org/stable/c/e0384efd45f615603e6869205b72040c209e69cc
https://git.kernel.org/stable/c/970cd2ed26cdab2b0f15b6d90d7eaa36538244a5
https://git.kernel.org/stable/c/4c04b0ab3a647e76d0e752b013de8e404abafc63
https://git.kernel.org/stable/c/a1300691aed9ee852b0a9192e29e2bdc2411a7e6

Timeline