SB2026091249 - Out-of-bounds write in Linux kernel hid driver
Published: September 12, 2026
Security Bulletin ID
SB2026091249
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-89729)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows an attacker with physical access to cause an out-of-bounds write.
The vulnerability exists due to an out-of-bounds write in sensor_hub_get_feature() when processing a malicious HID descriptor. An attacker with physical access can provide a HID descriptor advertising a large feature field size to cause an out-of-bounds write.
An IIO caller supplying a small stack buffer can be affected.
Remediation
Install update from vendor's website.