SB2026091719 - Out-of-bounds read in Linux kernel clk meson driver



SB2026091719 - Out-of-bounds read in Linux kernel clk meson driver

Published: September 17, 2026

Security Bulletin ID SB2026091719
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2026-89947)

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

CVSSv4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information, modify data, and cause a denial of service.

The vulnerability exists due to an incorrect parent count in the gxbb_32k_clk_sel clock mux when registering the clock mux. A remote attacker can trigger registration of the affected clock mux to disclose sensitive information, modify data, and cause a denial of service.


Remediation

Install update from vendor's website.