SB2026020503 - Out-of-bounds read in Linux kernel pci ctxfi



SB2026020503 - Out-of-bounds read in Linux kernel pci ctxfi

Published: February 5, 2026

Security Bulletin ID SB2026020503
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2026-23076)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the amixer_rsc_init() and sum_rsc_init() functions in sound/pci/ctxfi/ctamixer.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.