SB2026102668 - Improper update of reference count in Linux kernel soc samsung

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026102668

SB2026102668 - Improper update of reference count in Linux kernel soc samsung

Published: October 26, 2026

Security Bulletin ID SB2026102668
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper update of reference count (CVE-ID: CVE-2026-99089)

CWE-ID: CWE-911 - Improper Update of Reference Count

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to trigger kernel warnings and potentially disrupt audio device operation.

The vulnerability exists due to improper clock reference counting in the Samsung I2S driver when suspending a device whose operating clock was not enabled during probing. A local user can trigger runtime power-management suspension to cause an unmatched clock disable, producing a kernel warning and potentially disrupting audio device operation.


Remediation

Install update from vendor's website.

References