SB20260912152 - Out-of-bounds read in Linux kernel hid driver
Published: September 12, 2026
Security Bulletin ID
SB20260912152
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-89628)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local privileged user to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in picolcd_debug_eeprom_read() when reading EEPROM data through the debugfs "eeprom" file. A local privileged user can use a crafted or spoofed picoLCD device to supply an oversized length value to disclose sensitive information.
The debugfs file is accessible only to root.
Remediation
Install update from vendor's website.