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.
Affected products
linux: linux kernel
References5
- git.kernel.org/stable/c/09aeab68033161cb54f194da93e51a11aee6144b Patch
- git.kernel.org/stable/c/3aa660c059240e0c795217182cf7df32909dd917 Patch
- git.kernel.org/stable/c/a4261bbc33fbf99b99c80aa3a2c5097611802980 Patch
- git.kernel.org/stable/c/f17d1c63a76b0fe8e9c78023a86507a3a6d62cfa Patch
- git.kernel.org/stable/c/8e6508c7ecb1802909f294827eff38f301d0c937
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 43 · as of 7 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.