SB20260925229 - Type Confusion in Linux kernel acpi acpica driver



SB20260925229 - Type Confusion in Linux kernel acpi acpica driver

Published: September 25, 2026

Security Bulletin ID SB20260925229
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Type Confusion (CVE-ID: CVE-2026-97450)

CWE-ID: CWE-843 - Type confusion

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to access fields of a handler object without validating its type.

The vulnerability exists due to improper type validation in the ACPICA handler-list processing routines when walking handler lists. A local user can cause ACPICA to process a handler object with an invalid type to access fields of a handler object without validating its type.


Remediation

Install update from vendor's website.