---
id: CVE-2023-50431
title: >-
  sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the
  Linux kernel through 6.6.5 allows an information leak to user space because
  info->pad0 is not initialized.
summary: >-
  sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the
  Linux kernel through 6.6.5 allows an information leak to user space because
  info->pad0 is not initialized.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 6.3, < 6.6.14'
patched:
  - linux_kernel 6.6.14
published: '2023-12-09'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T15:13:59.770'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-50431'
references:
  - url: >-
      https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a9f07790a4b2250f0140e9a61c7f842fd9b618c7
    label: cve@mitre.org
  - url: 'https://lists.freedesktop.org/archives/dri-devel/2023-November/431772.html'
    label: cve@mitre.org
  - url: >-
      https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a9f07790a4b2250f0140e9a61c7f842fd9b618c7
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.freedesktop.org/archives/dri-devel/2023-November/431772.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.003
epssPercentile: 0.22542
ingestedAt: '2026-10-27T18:52:09.335Z'
---

## Overview

sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the Linux kernel through 6.6.5 allows an information leak to user space because info->pad0 is not initialized.

## Affected

- `linux_kernel >= 6.3, < 6.6.14`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.6.14`