SB20260720215 - Out-of-bounds read in Linux kernel input touchscreen driver

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Main Vulnerability Database SB20260720215

SB20260720215 - Out-of-bounds read in Linux kernel input touchscreen driver

Published: July 20, 2026

Security Bulletin ID SB20260720215
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2026-64014)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.2 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows an attacker with physical access to disclose sensitive information and cause a denial of service.

The vulnerability exists due to an out-of-bounds read in the nexio_read_data() function in the usbtouchscreen driver when processing a crafted device interrupt packet with falsified length fields. An attacker with physical access can provide a malicious USB device that reports oversized data_len and x_len values to disclose sensitive information and cause a denial of service.

Kernel memory contents may be exposed to userspace through reported ABS_X and ABS_Y input events.


Remediation

Install update from vendor's website.

References