SB2026050209 - Out-of-bounds write in Linux kernel hid driver

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Main Vulnerability Database SB2026050209

SB2026050209 - Out-of-bounds write in Linux kernel hid driver

Published: May 2, 2026

Security Bulletin ID SB2026050209
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2026-43047)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows an attacker with physical access to cause a denial of service or perform an out-of-bounds write.

The vulnerability exists due to an out-of-bounds write in the HID multitouch feature report handling when processing a device response to a feature request. An attacker with physical access can provide a malicious device that responds with a mismatched report ID to cause a denial of service or perform an out-of-bounds write.

The issue is triggered when a device returns a different report ID than the one originally requested.


Remediation

Install update from vendor's website.

References