Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbd_work could be freed when after connection release. Increment r_count of ksmbd_conn to indicate that requests are not finished yet and to not release the connection.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 6.6.84 |
References
- https://git.kernel.org/stable/c/09aeab68033161cb54f194da93e51a11aee6144bPatch
- https://git.kernel.org/stable/c/3aa660c059240e0c795217182cf7df32909dd917Patch
- https://git.kernel.org/stable/c/a4261bbc33fbf99b99c80aa3a2c5097611802980Patch
- https://git.kernel.org/stable/c/f17d1c63a76b0fe8e9c78023a86507a3a6d62cfaPatch
FAQ
What is CVE-2025-21955?
CVE-2025-21955 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbd_work could be freed when after connection release. Increm...
How severe is CVE-2025-21955?
CVE-2025-21955 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21955?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.