CVE-2025-21967

high

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.

References

https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3

https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a

https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31

https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280

Details

Source: Mitre, NVD

Published: 2025-04-01

Updated: 2025-04-16

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00018