CVE-2025-21749
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-667
- Record status
- Modified
Affected
- Linux Kernel < 6.1.129
- Linux Kernel < 6.6.78
- Linux Kernel < 6.12.14
- Linux Kernel < 6.13.3
- Linux Kernel 6.14
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-21749.md and follow it. Check whether this project is affected by CVE-2025-21749. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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
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