Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_free_work_struct ->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait is needed.
Affected products
linux: linux kernel
References5
- git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280 Patch
- git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31 Patch
- git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a Patch
- git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3 Patch
- git.kernel.org/stable/c/ffe0909010b21df8f948d624ad00cf14dd856721
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 33 · as of 7 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.