---
id: CVE-2026-93801
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  smb/client: zero-initialize stack-allocated cifs_open_info_data

  Stack-allocated cifs_open_info_data may contain random data.
  This can make some fields have wrong value…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  smb/client: zero-initialize stack-allocated cifs_open_info_data

  Stack-allocated cifs_open_info_data may contain random data.
  This can make some fields have wrong value…
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    74ff47e6c4213fcfeba2de448d9cbda200507d22
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    22532dd88694ed20bdd47523ffa709f166ce776b
  - >-
    Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <
    8fce4cf4369c766a3293a05419500cbfde72e60d
  - Linux < 6.12.111
  - Linux < 6.18.53
  - Linux (all versions)
published: '2026-09-24'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T13:17:20.957'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93801'
references:
  - url: 'https://git.kernel.org/stable/c/22532dd88694ed20bdd47523ffa709f166ce776b'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/74ff47e6c4213fcfeba2de448d9cbda200507d22'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8fce4cf4369c766a3293a05419500cbfde72e60d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-24T16:47:15.898Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

smb/client: zero-initialize stack-allocated cifs_open_info_data

Stack-allocated cifs_open_info_data may contain random data.
This can make some fields have wrong value if they are not set later.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.