CVE-2026-90165

high

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix invalid pointer dereference in ksmbd_stop_durable_scavenger() See the procedure below: ksmbd_launch_ksmbd_durable_scavenger durable_scavenger_running = true server_conf.dh_task = kthread_run() // fail, dh_task is an ERR_PTR() server_ctrl_handle_reset ksmbd_stop_durable_scavenger kthread_stop(server_conf.dh_task) // invalid pointer

References

https://git.kernel.org/stable/c/bef46b604732d83f8da29f782868de4d25bf972c

https://git.kernel.org/stable/c/b2d78c199dfd983638662ace0612d4fade3dbea1

https://git.kernel.org/stable/c/af9cb997d13a17029a0d3863e33f4c837e27a8ae

https://git.kernel.org/stable/c/a2eb72b4d53bb9d8d6c00f3f794eaccb4b1ce5ed

https://git.kernel.org/stable/c/3f8651f6bb52159c9e23993c77a2b51b9505ad64

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-81758

Details

Source: Mitre, NVD

Published: 2026-09-17

Updated: 2026-10-19

Risk Information

CVSS v2

Base Score: 10

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

Severity: Critical

CVSS v3

Base Score: 8.4

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00209