What’s Vulnerable › Vulnerabilities

CVE-2025-21749: net: rose: lock the socket in rose_bind()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-27 · updated 2026-06-17
• Weakness: CWE-667

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.

Affected products

• Linux kernel: from 2.6.12 before 6.1.129; from 6.2 before 6.6.78; from 6.7 before 6.12.14; from 6.13 before 6.13.3; 6.14-rc1 — fixed in 6.1.129, 6.12.14, 6.13.3, 6.6.78

How to fix

Upgrade to a fixed version: Linux kernel 6.1.129, 6.12.14, 6.13.3, 6.6.78. Check the vendor advisory for mitigations.

References

• 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/b8bf5c3fb778bbb1f3ff7d98ec577c969f687513
• https://git.kernel.org/stable/c/d308661a0f4e7c8e86dfc7074a55ee5894c61538
• https://git.kernel.org/stable/c/e0384efd45f615603e6869205b72040c209e69cc
• https://git.kernel.org/stable/c/ed00c5f907d08a647b8bf987514ad8c6b17971a7
• https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
• https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html

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