---
id: CVE-2026-55307
title: >-
  In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information
  disclosure due to a logic error in the code
summary: >-
  In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information
  disclosure due to a logic error in the code. This could lead to local
  information disclosure with System execution privileges needed. User
  interaction is not need…
severity: medium
cvss: 4.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-269
vendor: Google
product: Android
affected:
  - Android Android kernel
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T20:03:40.690'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-55307'
references:
  - url: 'https://source.android.com/docs/security/bulletin/pixel/2026/2026-10-01'
    label: dsap-vuln-management@google.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-06T18:57:35.470935Z'
ingestedAt: '2026-10-06T19:13:33.849Z'
---

## Overview

In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information disclosure due to a logic error in the code. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

## Remediation

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