Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.
Affected products
linux: linux kernel
References5
- git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5 Patch
- git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a Patch
- git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8 Patch
- git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6 Patch
- git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6 Patch
Metrics
- CVSS 3.1
-
7.0
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 33 · as of 8 November 2026
- CWE
- CWE-416
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.