CVE-2026-90166

medium

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request() See the procedure below: ksmbd_tree_conn_connect ksmbd_share_config_get share->name = kstrdup() // fail if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false // do not check `share->name` ksmbd_ipc_tree_connect_request strlen(share->name) // null-ptr-deref

References

https://git.kernel.org/stable/c/d2ccf905f47d2344270749f4dfa905afcd3edeb0

https://git.kernel.org/stable/c/8461f27902727ad434375caf13a0100aafc0340f

https://git.kernel.org/stable/c/7065d3648b1a48d2c49da3d6364dd3c4d503b10c

https://git.kernel.org/stable/c/4eb74a34ea401abfbbd5991076715dae3de938df

Details

Source: Mitre, NVD

Published: 2026-09-17

Updated: 2026-09-17

Risk Information

CVSS v2

Base Score: 7.2

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

Severity: High

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.002